diff --git a/src/k_grandprix.c b/src/k_grandprix.c
index 35a9d4acc..497909dc8 100644
--- a/src/k_grandprix.c
+++ b/src/k_grandprix.c
@@ -727,7 +727,7 @@ boolean K_CanChangeRules(boolean allowdemos)
 		return false;
 	}
 
-	if (modeattacking == true)
+	if (modeattacking != ATTACKING_NONE)
 	{
 		// Don't cheat the rules of Time Trials!
 		return false;