diff --git a/tests/test_badMath.krak b/tests/test_badMath.krak
index 6b1288e..49461ce 100644
--- a/tests/test_badMath.krak
+++ b/tests/test_badMath.krak
@@ -1,5 +1,5 @@
 import io;
-fun main(): void {
+fun main(): int {
     io::println("Spam");
     var x: int = 4;
     x += 3;