diff --git a/build.js b/build.js
index 87f81494d..ee2f95329 100755
--- a/build.js
+++ b/build.js
@@ -2383,9 +2383,11 @@
     var outputUsed = false;
 
     // flag to specify creating a custom build
-    var isCustom = isLegacy || isMapped || isMobile || isModern || isStrict || isUnderscore ||
+    var isCustom = (
+      isLegacy || isMapped || isModern || isStrict || isUnderscore || outputPath ||
       /(?:category|exclude|exports|iife|include|minus|plus)=/.test(options) ||
-      !_.isEqual(exportsOptions, exportsAll);
+      !_.isEqual(exportsOptions, exportsAll)
+    );
 
     // used as the basename of the output path
     var basename = outputPath
@@ -2396,7 +2398,7 @@
     dependencyMap = dependencyBackup;
 
     // output debug build
-    if (!isMinify && (isCustom || isDebug || isTemplate || outputPath)) {
+    if (!isMinify && (isCustom || isDebug || isTemplate)) {
       if (isCustom) {
         debugSource = addCommandsToHeader(debugSource, options);
       }
diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js
index b388e5636..b16acfc9a 100644
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
@@ -1,6 +1,7 @@
 /**
  * @license
- * Lo-Dash 1.0.0-rc.3 <http://lodash.com/>
+ * Lo-Dash 1.0.0-rc.3 (Custom Build) <http://lodash.com/>
+ * Build: `lodash -o ./dist/lodash.compat.js`
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.4.4 <http://underscorejs.org/>
  * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud Inc.
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index 57c568d36..a085b4f1f 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -1,6 +1,7 @@
 /**
  * @license
- * Lo-Dash 1.0.0-rc.3 lodash.com/license
+ * Lo-Dash 1.0.0-rc.3 (Custom Build) lodash.com/license
+ * Build: `lodash -o ./dist/lodash.compat.js`
  * Underscore.js 1.4.4 underscorejs.org/LICENSE
  */
 ;(function(n,t){function r(n){return n&&typeof n=="object"&&n.__wrapped__?n:this instanceof r?(this.__wrapped__=n,void 0):new r(n)}function e(n,t,r){t||(t=0);var e=n.length,u=e-t>=(r||it);if(u){var o={};for(r=t-1;++r<e;){var i=n[r]+"";(Ot.call(o,i)?o[i]:o[i]=[]).push(n[r])}}return function(r){if(u){var e=r+"";return Ot.call(o,e)&&-1<z(o[e],r)}return-1<z(n,r,t)}}function u(n){return n.charCodeAt(0)}function o(n,t){var r=n.b,e=t.b;if(n=n.a,t=t.a,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1