diff --git a/lodash.js b/lodash.js
index fa7907a5f..792cf41c6 100644
--- a/lodash.js
+++ b/lodash.js
@@ -5288,6 +5288,7 @@
         }
       }
       stack['delete'](array);
+      stack['delete'](other);
       return result;
     }
 
@@ -5448,6 +5449,7 @@
         }
       }
       stack['delete'](object);
+      stack['delete'](other);
       return result;
     }