diff --git a/doble.exe b/doble.exe
index 3890cd9..2eab2c8 100644
Binary files a/doble.exe and b/doble.exe differ
diff --git a/highscore.o b/highscore.o
index 4bb6e8e..77510dc 100644
Binary files a/highscore.o and b/highscore.o differ
diff --git a/numbers.c b/numbers.c
index f41573a..3a91814 100644
--- a/numbers.c
+++ b/numbers.c
@@ -31,13 +31,14 @@ static int existsInTree(TreeNode *root, unsigned int value)
     unsigned int *data;
 
     // Traversierung initialisieren
-    nextTreeData(root);
+    data = nextTreeData(root);
 
-    while ((data = nextTreeData(NULL)) != NULL)
+    do    
     {
         if (*data == value)
             return 1;
-    }
+    } while ((data = nextTreeData(NULL)) != NULL);
+
     return 0;
 }
 
diff --git a/numbers.o b/numbers.o
index f376189..c58e076 100644
Binary files a/numbers.o and b/numbers.o differ