diff --git a/src/Cafe/OS/libs/gx2/GX2_Event.cpp b/src/Cafe/OS/libs/gx2/GX2_Event.cpp
index 645f0a79..3bb8e6a2 100644
--- a/src/Cafe/OS/libs/gx2/GX2_Event.cpp
+++ b/src/Cafe/OS/libs/gx2/GX2_Event.cpp
@@ -214,7 +214,7 @@ namespace GX2
 		__OSUnlockScheduler();
 	}
 
-	void GX2DrawDone()
+	bool GX2DrawDone()
 	{
 		// optional force full sync (texture readback and occlusion queries)
 		bool forceFullSync = false;
@@ -231,7 +231,7 @@ namespace GX2
 		GX2Command_Flush(0x100, true);
 
 		uint64 ts = GX2GetLastSubmittedTimeStamp();
-		GX2WaitTimeStamp(ts);
+		return GX2WaitTimeStamp(ts);
 	}
 
 	void GX2Init_event()
diff --git a/src/Cafe/OS/libs/gx2/GX2_Event.h b/src/Cafe/OS/libs/gx2/GX2_Event.h
index 09cb073c..8795aaa3 100644
--- a/src/Cafe/OS/libs/gx2/GX2_Event.h
+++ b/src/Cafe/OS/libs/gx2/GX2_Event.h
@@ -8,7 +8,7 @@ namespace GX2
 	void GX2EventInit();
 	void GX2WaitForVsync();
 	void GX2WaitForFlip();
-	void GX2DrawDone();
+	bool GX2DrawDone();
 
 	enum class GX2CallbackEventType
 	{