diff --git a/effects/blur/blur.cpp b/effects/blur/blur.cpp
index 9e46818c5a..c32b4bc07e 100644
--- a/effects/blur/blur.cpp
+++ b/effects/blur/blur.cpp
@@ -154,7 +154,7 @@ bool BlurEffect::enabledByDefault()
 
     if (gl->isIntel() && gl->chipClass() < SandyBridge)
         return false;
-    if (gl->driver() == Driver_Catalyst) {
+    if (gl->driver() == Driver_Catalyst && effects->compositingType() == OpenGL1Compositing) {
         // fglrx supports only ARB shaders and those tend to crash KWin (see Bug #270818 and #286795)
         return false;
     }
diff --git a/lanczosfilter.cpp b/lanczosfilter.cpp
index 2d976a58f9..4f2bedfb4d 100644
--- a/lanczosfilter.cpp
+++ b/lanczosfilter.cpp
@@ -67,8 +67,8 @@ void LanczosFilter::init()
     GLPlatform *gl = GLPlatform::instance();
     if (!force && gl->driver() == Driver_Intel && gl->mesaVersion() >= kVersionNumber(7, 10) && gl->chipClass() < SandyBridge)
         return;
-    // With fglrx the ARB Shader crashes KWin (see Bug #270818 and #286795) and GLSL Shaders are not functional
-    if (!force && gl->driver() == Driver_Catalyst) {
+    // With fglrx the ARB Shader crashes KWin (see Bug #270818 and #286795)
+    if (!force && gl->driver() == Driver_Catalyst && effects->compositingType() == OpenGL1Compositing) {
         return;
     }