diff --git a/src/revolution/dvd/dvdidutils.c b/src/revolution/dvd/dvdidutils.c
index e08209f0212..ed6c815b830 100644
--- a/src/revolution/dvd/dvdidutils.c
+++ b/src/revolution/dvd/dvdidutils.c
@@ -17,7 +17,7 @@ static u32 strnlen(const char* str, u32 maxlen) {
 }
 
 int DVDCompareDiskID(const DVDDiskID* id1, const DVDDiskID* id2) {
-#ifdef DEBUG
+#if DEBUG
     const char* game1;
     const char* game2;
     const char* company1;