diff --git a/bintree.c b/bintree.c
index ddc57bb..0ff1c53 100644
--- a/bintree.c
+++ b/bintree.c
@@ -65,7 +65,6 @@ StackNode* initTraversal(TreeNode* root) {
 void* nextTreeData(StackNode** stack) {
     if (*stack == NULL) {
         return NULL; // Traversierung beendet
-    }
 
     // Obersten Knoten holen
     TreeNode* node = (TreeNode*)top(*stack);
@@ -79,7 +78,7 @@ void* nextTreeData(StackNode** stack) {
     }
 
     return node->data;
-}
+}}
 
 // Releases all memory resources (including data copies).
 void clearTree(TreeNode *root)