diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 7e6c93147a..477746c01e 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -2908,7 +2908,8 @@ BOOL LLWindowWin32::resetDisplayResolution()
 
 void LLWindowWin32::swapBuffers()
 {
-	glFinish();
+	// Ansariel: Don't call glFinish - this kills parallelism!
+	//glFinish();
 	SwapBuffers(mhDC);
 }