diff --git a/src/main.c b/src/main.c
index cfc6ac6a93..a88c378eb6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -386,7 +386,7 @@ static void WaitForVBlank(void)
 {
     gMain.intrCheck &= ~INTR_FLAG_VBLANK;
 
-    while(!(gMain.intrCheck & 0x1))
+    while (!(gMain.intrCheck & INTR_FLAG_VBLANK))
         ;
 }