diff --git a/xbmc/cores/VideoRenderers/RenderManager.cpp b/xbmc/cores/VideoRenderers/RenderManager.cpp
index 63bbdccdae523..b394d7bcf969d 100644
--- a/xbmc/cores/VideoRenderers/RenderManager.cpp
+++ b/xbmc/cores/VideoRenderers/RenderManager.cpp
@@ -381,7 +381,10 @@ void CXBMCRenderManager::FrameFinish()
   SPresent& m = m_Queue[m_presentsource];
 
   if(g_graphicsContext.IsFullScreenVideo())
+  {
+    CSingleExit lock(g_graphicsContext);
     WaitPresentTime(m.timestamp);
+  }
 
   m_clock_framefinish = GetPresentTime();