diff --git a/examples/agecontrol/agecontrol.mc b/examples/agecontrol/agecontrol.mc
index 4d35238..ab09e67 100644
--- a/examples/agecontrol/agecontrol.mc
+++ b/examples/agecontrol/agecontrol.mc
@@ -25,4 +25,5 @@ int main()
 		print("You Can Drink!");
 	}
 	print_nl();
+	return 0;
 }
diff --git a/examples/is_square/is_square.mc b/examples/is_square/is_square.mc
index 56c98aa..cf96e45 100644
--- a/examples/is_square/is_square.mc
+++ b/examples/is_square/is_square.mc
@@ -27,4 +27,5 @@ int main()
 		print("No");
 	}
 	print_nl();
+	return 0;
 }
diff --git a/examples/slowsort/slowsort.mc b/examples/slowsort/slowsort.mc
index 91d6c9e..130e7a8 100644
--- a/examples/slowsort/slowsort.mc
+++ b/examples/slowsort/slowsort.mc
@@ -148,5 +148,5 @@ int main(){
         print_f_array(f_arr, arr_size);
     }
 
-	return 0;
+    return 0;
 }