diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js
index afd53fdc9..c6c96d9d7 100644
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
@@ -1838,7 +1838,7 @@
     if (!support.argsClass) {
       isArguments = function(value) {
         return value && typeof value == 'object' && typeof value.length == 'number' &&
-          hasOwnProperty.call(value, 'callee') && propertyIsEnumerable.call(value, 'callee') || false;
+          hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee') || false;
       };
     }
 
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index 4a5c1d690..223b98cab 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -30,7 +30,7 @@ for(e=e?v.createCallback(e,r,1):Qt,t=e(t);u<o;)r=u+o>>>1,e(n[r])<t?u=r+1:o=r;ret
 var ne=e.Array,te=e.Boolean,ee=e.Date,re=e.Function,ue=e.Math,oe=e.Number,ae=e.Object,ie=e.RegExp,le=e.String,fe=e.TypeError,ce=[],pe=e.Error.prototype,se=ae.prototype,ge=le.prototype,he=e._,ve=se.toString,ye=ie("^"+le(ve).replace(/[.*+?^${}()|[\]\\]/g,"\\$&").replace(/toString| for [^\]]+/g,".*?")+"$"),me=ue.ceil,de=e.clearTimeout,_e=ue.floor,be=re.prototype.toString,we=ye.test(we=ae.getPrototypeOf)&&we,je=se.hasOwnProperty,xe=ye.test(xe=ee.now)&&xe||function(){return+new ee},Ce=ce.push,ke=se.propertyIsEnumerable,Ee=e.setTimeout,Oe=ce.splice,Se=typeof(Se=rt&&et&&rt.setImmediate)=="function"&&!ye.test(Se)&&Se,Ie=function(){try{var n={},t=ye.test(t=ae.defineProperty)&&t,e=t(n,n,n)&&t
 }catch(r){}return e}(),Ae=ye.test(Ae=ae.create)&&Ae,De=ye.test(De=ne.isArray)&&De,Ne=e.isFinite,Be=e.isNaN,Pe=ye.test(Pe=ae.keys)&&Pe,Re=ue.max,Fe=ue.min,$e=e.parseInt,Le=ue.random,Te={};Te[L]=ne,Te[T]=te,Te[z]=ee,Te[K]=re,Te[G]=ae,Te[W]=oe,Te[J]=ie,Te[M]=le;var ze={};ze[L]=ze[z]=ze[W]={constructor:!0,toLocaleString:!0,toString:!0,valueOf:!0},ze[T]=ze[M]={constructor:!0,toString:!0,valueOf:!0},ze[q]=ze[K]=ze[J]={constructor:!0,toString:!0},ze[G]={constructor:!0},function(){for(var n=F.length;n--;){var t,e=F[n];
 for(t in ze)je.call(ze,t)&&!je.call(ze[t],e)&&(ze[t][e]=!1)}}(),y.prototype=v.prototype;var qe=v.support={};!function(){function n(){this.x=1}var t={0:1,length:1},r=[];n.prototype={valueOf:1};for(var u in new n)r.push(u);for(u in arguments);qe.argsClass=ve.call(arguments)==$,qe.argsObject=arguments.constructor==ae&&!(arguments instanceof ne),qe.enumErrorProps=ke.call(pe,"message")||ke.call(pe,"name"),qe.enumPrototypes=ke.call(n,"prototype"),qe.funcDecomp=!ye.test(e.p)&&B.test(g),qe.funcNames=typeof re.name=="string",qe.nonEnumArgs=0!=u,qe.nonEnumShadows=!/valueOf/.test(r),qe.ownLast="x"!=r[0],qe.spliceObjects=(ce.splice.call(t,0,1),!t[0]),qe.unindexedChars="xx"!="x"[0]+ae("x")[0];
-try{qe.nodeClass=!(ve.call(document)==G&&!({toString:0}+""))}catch(o){qe.nodeClass=!0}}(1),v.templateSettings={escape:/<%-([\s\S]+?)%>/g,evaluate:/<%([\s\S]+?)%>/g,interpolate:A,variable:"",imports:{_:v}},Ae||(nt=function(){function n(){}return function(t){if(xt(t)){n.prototype=t;var r=new n;n.prototype=null}return r||e.Object()}}());var Ke=Ie?function(n,t){V.value=t,Ie(n,"__bindData__",V)}:Yt;qe.argsClass||(dt=function(n){return n&&typeof n=="object"&&typeof n.length=="number"&&je.call(n,"callee")&&ke.call(n,"callee")||!1
+try{qe.nodeClass=!(ve.call(document)==G&&!({toString:0}+""))}catch(o){qe.nodeClass=!0}}(1),v.templateSettings={escape:/<%-([\s\S]+?)%>/g,evaluate:/<%([\s\S]+?)%>/g,interpolate:A,variable:"",imports:{_:v}},Ae||(nt=function(){function n(){}return function(t){if(xt(t)){n.prototype=t;var r=new n;n.prototype=null}return r||e.Object()}}());var Ke=Ie?function(n,t){V.value=t,Ie(n,"__bindData__",V)}:Yt;qe.argsClass||(dt=function(n){return n&&typeof n=="object"&&typeof n.length=="number"&&je.call(n,"callee")&&!ke.call(n,"callee")||!1
 });var We=De||function(n){return n&&typeof n=="object"&&typeof n.length=="number"&&ve.call(n)==L||!1},Ge=gt({a:"z",e:"[]",i:"if(!(B[typeof z]))return E",g:"E.push(n)"}),Je=Pe?function(n){return xt(n)?qe.enumPrototypes&&typeof n=="function"||qe.nonEnumArgs&&n.length&&dt(n)?Ge(n):Pe(n):[]}:Ge,Me={a:"g,e,K",i:"e=e&&typeof K=='undefined'?e:d(e,K,3)",b:"typeof u=='number'",v:Je,g:"if(e(t[n],n,g)===false)return E"},He={a:"z,H,l",i:"var a=arguments,b=0,c=typeof l=='number'?2:a.length;while(++b<c){t=a[b];if(t&&B[typeof t]){",v:Je,g:"if(typeof E[n]=='undefined')E[n]=t[n]",c:"}}"},Ue={i:"if(!B[typeof t])return E;"+Me.i,b:!1},Ve={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"},Qe=wt(Ve),Xe=ie("("+Je(Qe).join("|")+")","g"),Ye=ie("["+Je(Ve).join("")+"]","g"),Ze=gt(Me),nr=gt(He,{i:He.i.replace(";",";if(c>3&&typeof a[c-2]=='function'){var e=d(a[--c-1],a[c--],2)}else if(c>2&&typeof a[c-1]=='function'){e=a[--c]}"),g:"E[n]=e?e(E[n],t[n]):t[n]"}),tr=gt(He),er=gt(Me,Ue,{j:!1}),rr=gt(Me,Ue);
 jt(/x/)&&(jt=function(n){return typeof n=="function"&&ve.call(n)==K});var ur=we?function(n){if(!n||ve.call(n)!=G||!qe.argsClass&&dt(n))return!1;var t=n.valueOf,e=typeof t=="function"&&(e=we(t))&&we(e);return e?n==e||we(n)==e:yt(n)}:yt,or=pt(function(n,t,e){je.call(n,e)?n[e]++:n[e]=1}),ar=pt(function(n,t,e){(je.call(n,e)?n[e]:n[e]=[]).push(t)}),ir=pt(function(n,t,e){n[e]=t}),lr=Bt;Se&&(Vt=function(n){if(!jt(n))throw new fe;return Se.apply(e,arguments)});var fr=8==$e(j+"08")?$e:function(n,t){return $e(kt(n)?n.replace(D,""):n,t||0)
 };return v.after=function(n,t){if(!jt(t))throw new fe;return function(){return 1>--n?t.apply(this,arguments):void 0}},v.assign=nr,v.at=function(n){var t=arguments,e=-1,r=at(t,!0,!1,1),t=t[2]&&t[2][t[1]]===n?1:r.length,u=ne(t);for(qe.unindexedChars&&kt(n)&&(n=n.split(""));++e<t;)u[e]=n[r[e]];return u},v.bind=Ht,v.bindAll=function(n){for(var t=1<arguments.length?at(arguments,!0,!1,1):bt(n),e=-1,r=t.length;++e<r;){var u=t[e];n[u]=st(n[u],1,null,null,n)}return n},v.bindKey=function(n,t){return 2<arguments.length?st(t,19,s(arguments,2),null,n):st(t,3,null,null,n)
diff --git a/dist/lodash.underscore.js b/dist/lodash.underscore.js
index 832d8c6ec..b79db210e 100644
--- a/dist/lodash.underscore.js
+++ b/dist/lodash.underscore.js
@@ -864,7 +864,7 @@
   if (!isArguments(arguments)) {
     isArguments = function(value) {
       return value && typeof value == 'object' && typeof value.length == 'number' &&
-        hasOwnProperty.call(value, 'callee') && propertyIsEnumerable.call(value, 'callee') || false;
+        hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee') || false;
     };
   }
 
diff --git a/dist/lodash.underscore.min.js b/dist/lodash.underscore.min.js
index 3af46890c..e6bd70b46 100644
--- a/dist/lodash.underscore.min.js
+++ b/dist/lodash.underscore.min.js
@@ -21,7 +21,7 @@ e=0>e?Mr(0,u+e):e||0}else if(e)return e=J(r,t),r[e]===t?e:-1;return n(r,t,e)}fun
 },v=function(){a&&clearTimeout(a),u=a=l=nr,(s||p!==r)&&(c=kr(),o=n.apply(f,e))};return function(){if(e=arguments,i=kr(),f=this,l=s&&(a||!g),false===p)var t=g&&!a;else{u||g||(c=i);var y=p-(i-c);0<y?u||(u=setTimeout(v,y)):(u&&(u=clearTimeout(u)),c=i,o=n.apply(f,e))}return a||r===p||(a=setTimeout(h,r)),t&&(o=n.apply(f,e)),o}}function Y(n){return n}function Z(n){F(w(n),function(r){var t=u[r]=n[r];u.prototype[r]=function(){var n=[this.__wrapped__];return Nr.apply(n,arguments),n=t.apply(u,n),this.__chain__?new o(n,!0):n
 }})}var nr,rr=0,tr={},er=+new Date+"",ur=/($^)/,or=/['\n\r\t\u2028\u2029\\]/g,ir="[object Arguments]",fr="[object Array]",ar="[object Boolean]",lr="[object Date]",cr="[object Number]",pr="[object Object]",sr="[object RegExp]",gr="[object String]",hr={"boolean":!1,"function":!0,object:!0,number:!1,string:!1,undefined:!1},vr={"\\":"\\","'":"'","\n":"n","\r":"r","\t":"t","\u2028":"u2028","\u2029":"u2029"},yr=hr[typeof window]&&window||this,mr=hr[typeof exports]&&exports&&!exports.nodeType&&exports,_r=hr[typeof module]&&module&&!module.nodeType&&module,dr=_r&&_r.exports===mr&&mr,br=hr[typeof global]&&global;
 !br||br.global!==br&&br.window!==br||(yr=br);var wr=[],jr=Object.prototype,xr=yr._,Ar=jr.toString,Er=RegExp("^"+(Ar+"").replace(/[.*+?^${}()|[\]\\]/g,"\\$&").replace(/toString| for [^\]]+/g,".*?")+"$"),Tr=Math.ceil,Or=Math.floor,Sr=jr.hasOwnProperty,kr=Er.test(kr=Date.now)&&kr||function(){return+new Date},Nr=wr.push,Rr=jr.propertyIsEnumerable,Br=Er.test(Br=Object.create)&&Br,Fr=Er.test(Fr=Array.isArray)&&Fr,qr=yr.isFinite,Dr=yr.isNaN,Ir=Er.test(Ir=Object.keys)&&Ir,Mr=Math.max,$r=Math.min,Wr=Math.random;
-o.prototype=u.prototype;var zr={};!function(){var n={0:1,length:1};zr.spliceObjects=(wr.splice.call(n,0,1),!n[0])}(1),u.templateSettings={escape:/<%-([\s\S]+?)%>/g,evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,variable:""},Br||(f=function(){function n(){}return function(r){if(E(r)){n.prototype=r;var t=new n;n.prototype=null}return t||yr.Object()}}()),_(arguments)||(_=function(n){return n&&typeof n=="object"&&typeof n.length=="number"&&Sr.call(n,"callee")&&Rr.call(n,"callee")||!1});var Cr=Fr||function(n){return n&&typeof n=="object"&&typeof n.length=="number"&&Ar.call(n)==fr||!1
+o.prototype=u.prototype;var zr={};!function(){var n={0:1,length:1};zr.spliceObjects=(wr.splice.call(n,0,1),!n[0])}(1),u.templateSettings={escape:/<%-([\s\S]+?)%>/g,evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,variable:""},Br||(f=function(){function n(){}return function(r){if(E(r)){n.prototype=r;var t=new n;n.prototype=null}return t||yr.Object()}}()),_(arguments)||(_=function(n){return n&&typeof n=="object"&&typeof n.length=="number"&&Sr.call(n,"callee")&&!Rr.call(n,"callee")||!1});var Cr=Fr||function(n){return n&&typeof n=="object"&&typeof n.length=="number"&&Ar.call(n)==fr||!1
 },Pr=function(n){var r,t=[];if(!n||!hr[typeof n])return t;for(r in n)Sr.call(n,r)&&t.push(r);return t},Ur=Ir?function(n){return E(n)?Ir(n):[]}:Pr,Vr={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#x27;"},Gr=j(Vr),Hr=RegExp("("+Ur(Gr).join("|")+")","g"),Jr=RegExp("["+Ur(Vr).join("")+"]","g"),Kr=function(n,r){var t;if(!n||!hr[typeof n])return n;for(t in n)if(r(n[t],t,n)===tr)break;return n},Lr=function(n,r){var t;if(!n||!hr[typeof n])return n;for(t in n)if(Sr.call(n,t)&&r(n[t],t,n)===tr)break;
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diff --git a/lodash.js b/lodash.js
index a5f2a35b5..990413b47 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1856,7 +1856,7 @@
     if (!support.argsClass) {
       isArguments = function(value) {
         return value && typeof value == 'object' && typeof value.length == 'number' &&
-          hasOwnProperty.call(value, 'callee') && propertyIsEnumerable.call(value, 'callee') || false;
+          hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee') || false;
       };
     }