diff --git a/src/main/c/labyrinth.c b/src/main/c/labyrinth.c
index 81b9ed4..690f831 100644
--- a/src/main/c/labyrinth.c
+++ b/src/main/c/labyrinth.c
@@ -26,6 +26,26 @@ void ask_lab_dimensions(unsigned short *len_x, unsigned short *len_y){
     *len_y = get_natural_number("Bitte gib die y-Laenge des Labyrinthes an:\n");
 }
 
+short wall(unsigned short *x, unsigned short *y, unsigned short len_x, unsigned short len_y){
+    char answer;
+    printf("Moechten Sie die Koordinaten einer weiteren Labyrinthwand angeben? (y/n)\n");
+    scanf(" %c", &answer);
+
+    if (answer == 'n'){
+        return 1;
+    }
+
+    printf("Bitte geben Sie die Koordinaten von Labyrinthwaenden im Format x, y ein.\n");
+    scanf("%hu, %hu", x, y);
+
+    if (*x >= len_x || *y >= len_y){
+        printf("Die eingegebenen Koordinaten sind zu gross.\n");
+        return -1;
+    }
+
+    return 0;
+}
+
 void turn_direction_right(Direction *direction){
     switch (*direction) {
         case N:
diff --git a/src/main/c/labyrinth.h b/src/main/c/labyrinth.h
index d9cb80c..b2160ff 100644
--- a/src/main/c/labyrinth.h
+++ b/src/main/c/labyrinth.h
@@ -11,5 +11,6 @@ short lab_can_move(Field_State** field, unsigned short x, unsigned short y, Dire
 void show_solution(Field_State** field, unsigned short len_x, unsigned short len_y);
 unsigned short get_natural_number(char text[]);
 void ask_lab_dimensions(unsigned short *len_x, unsigned short *len_y);
+short wall(unsigned short *x, unsigned short *y, unsigned short len_x, unsigned short len_y);
 
 #endif // TEST_H