diff --git a/src/c/labyrinth.c b/src/c/labyrinth.c
index f791a7f..ef4b942 100644
--- a/src/c/labyrinth.c
+++ b/src/c/labyrinth.c
@@ -40,6 +40,9 @@ void wegsuchen(lab laby, bool* done, int y, int x, int ziely, int zielx){
         if (!*done && x - 1 >= 0 && laby[y][x-1] == '0'){ // links
             wegsuchen(laby, done, y, x - 1, ziely, zielx);
         }
+        if (!*done){
+            laby[y][x] = '0';
+        }
 
     }
 }
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