diff --git a/dist/lodash.underscore.js b/dist/lodash.underscore.js
index 52f5c980d..8b702b844 100644
--- a/dist/lodash.underscore.js
+++ b/dist/lodash.underscore.js
@@ -5053,7 +5053,7 @@
 
     return function(object) {
       var length = propsLength;
-      if (length && !object) {
+      if (length && object == null) {
         return false;
       }
       while (length--) {
diff --git a/lodash.js b/lodash.js
index 2e2a1973a..3bad12869 100644
--- a/lodash.js
+++ b/lodash.js
@@ -8214,7 +8214,7 @@
       }
       return function(object) {
         var length = propsLength;
-        if (length && !object) {
+        if (length && object == null) {
           return false;
         }
         while (length--) {