diff --git a/cv8/program.c b/cv8/program.c
index 772d9ca..d5fb57e 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -44,7 +44,7 @@ struct binary* createBinary(char* name){
  * @return – NULL if the node was not yet added, pointer to the new node if the node was added.
  */
 struct binary* productAppend(struct binary* myTree, char* product){
-    if(!myTree || (myTree->right != NULL && myTree->left != NULL) && (myTree->left->value[0] == '*' && myTree->right->value[0] == '*'))
+    if(!myTree || ((myTree->right != NULL && myTree->left != NULL) && (myTree->left->value[0] == '*' && myTree->right->value[0] == '*')))
         return NULL;
 
     struct binary* itrNode = myTree;
@@ -113,6 +113,8 @@ struct binary* questionAppend(struct binary* myTree, char* question){
         endingFound = true;
         return itrNode2;
     }
+
+    return NULL;
 }