diff --git a/effects/blur/blur.cpp b/effects/blur/blur.cpp
--- a/effects/blur/blur.cpp
+++ b/effects/blur/blur.cpp
@@ -333,7 +333,7 @@
 
 bool BlurEffect::supported()
 {
-    bool supported = effects->isOpenGLCompositing() && GLRenderTarget::supported();
+    bool supported = effects->isOpenGLCompositing() && GLRenderTarget::supported() && GLRenderTarget::blitSupported();
 
     if (supported) {
         int maxTexSize;