diff --git a/Qt/qtemugl.cpp b/Qt/qtemugl.cpp
index a70147884f..56b6eef1e8 100644
--- a/Qt/qtemugl.cpp
+++ b/Qt/qtemugl.cpp
@@ -24,11 +24,19 @@ void QtEmuGL::initializeGL()
 }
 void QtEmuGL::paintGL()
 {
+	static double startTime = 0;
 	NativeUpdate(*input_state);
 	NativeRender();
 	EndInputState(input_state);
 
-	time_update();
+	if (globalUIState != UISTATE_INGAME && globalUIState != UISTATE_EXIT) {
+		time_update();
+		double diffTime = time_now_d() - startTime;
+		startTime = time_now_d();
+		int sleepTime = (int) (1000000.0 / 60.0) - (int) (diffTime * 1000000.0);
+		if (sleepTime > 0)
+			usleep(sleepTime);
+	}
 }
 
 void QtEmuGL::mouseDoubleClickEvent(QMouseEvent *)
diff --git a/native b/native
index a02668cf8a..c00a47c892 160000
--- a/native
+++ b/native
@@ -1 +1 @@
-Subproject commit a02668cf8a0167104513ea4fddcf3fe0a8b5572c
+Subproject commit c00a47c8923a061ff970c0ba2b7ba9d73cb17a74