diff --git a/src/gu/sceGuSync.c b/src/gu/sceGuSync.c
index 34e93489..ffd77acd 100644
--- a/src/gu/sceGuSync.c
+++ b/src/gu/sceGuSync.c
@@ -15,9 +15,9 @@ int sceGuSync(int mode, int what)
 {
 	switch (mode)
 	{
-		case 0: return sceGeDrawSync(what);
-		case 3: return sceGeListSync(ge_list_executed[0],what);
-		case 4: return sceGeListSync(ge_list_executed[1],what);
-		default: case 1: case 2: return 0;
+		case GU_SYNC_FINISH: return sceGeDrawSync(what);
+		case GU_SYNC_LIST: return sceGeListSync(ge_list_executed[0],what);
+		case GU_SYNC_SEND: return sceGeListSync(ge_list_executed[1],what);
+		default: case GU_SYNC_SIGNAL: case GU_SYNC_DONE: return 0;
 	}
 }