diff --git a/src/c/labyrinth.c b/src/c/labyrinth.c
index cb15a6b..a5feb45 100644
--- a/src/c/labyrinth.c
+++ b/src/c/labyrinth.c
@@ -15,12 +15,15 @@ int printlabyrinth(lab laby, int hoehe, int breite){
         }
         printf("\n");
     }
+    printf("\n");
     
 return 0;
 }
 
 int wegsuchen(lab laby, int y, int x, int ziely, int zielx){
 
+    laby[y][x] = 'X';
+
     if(x == zielx && y == ziely){
         return 0;
     }
diff --git a/test/c/test_labyrinth.c b/test/c/test_labyrinth.c
index 0f05551..6f93168 100644
--- a/test/c/test_labyrinth.c
+++ b/test/c/test_labyrinth.c
@@ -68,6 +68,27 @@ void test_LabyrinthAmZiel2(void){
     TEST_ASSERT_EQUAL_INT(-1, result);
 
 
+}
+
+void test_LabyrinthMarkiert(void){
+
+    char result;
+    int input = 1;
+    int hoehe = 3;
+    int breite = 3;
+    lab laby = {
+        {'0', '1', '1'},
+        {'1', '1', '1'},
+        {'1', '1', '1'},
+    };
+
+    
+    wegsuchen(laby, 0, 0, 0, 0);
+    result = laby[0][0];
+    printlabyrinth(laby, hoehe, breite);
+    TEST_ASSERT_EQUAL_CHAR('X', result);
+
+
 }
 
 #endif // TEST
\ No newline at end of file