diff --git a/a1/program.c b/a1/program.c
index e7daa56..5e87a6f 100644
--- a/a1/program.c
+++ b/a1/program.c
@@ -43,6 +43,10 @@ int main() {
         }
     }
     if (x > 0) {
+        if (stack[x-1] == '{') expected = '}';
+        else if (stack[x-1] == '[') expected = ']';
+        else if (stack[x-1] == '(') expected = ')';
+        else if (stack[x-1] == '<') expected = '>';
         printf("Missing closing brackets: %c\n", expected);
     } else {
         printf("All brackets OK\n");