diff --git a/bintree.c b/bintree.c
index 2d895ec..951aaef 100644
--- a/bintree.c
+++ b/bintree.c
@@ -87,11 +87,12 @@ TreeNode *addToTreeRec(TreeNode *currentNode, TreeNode *newNode, CompareFctType
             *isDuplicate = 1;
         }
     }
-
+    /*
     if (isDuplicate != NULL)
     {
         *isDuplicate = 0;
     }
+    */
     return currentNode;
 }
  
diff --git a/bintree.o b/bintree.o
index 647c6d3..704a339 100644
Binary files a/bintree.o and b/bintree.o differ
diff --git a/runbintreeTests.exe b/runbintreeTests.exe
index 43a0ebb..61ef432 100644
Binary files a/runbintreeTests.exe and b/runbintreeTests.exe differ