diff --git a/effects/backgroundcontrast/contrast.cpp b/effects/backgroundcontrast/contrast.cpp
index bbc545c1d8..657ea6371c 100644
--- a/effects/backgroundcontrast/contrast.cpp
+++ b/effects/backgroundcontrast/contrast.cpp
@@ -208,6 +208,9 @@ bool ContrastEffect::enabledByDefault()
 
     if (gl->isIntel() && gl->chipClass() < SandyBridge)
         return false;
+    if (gl->isSoftwareEmulation()) {
+        return false;
+    }
 
     return true;
 }
diff --git a/effects/blur/blur.cpp b/effects/blur/blur.cpp
index 0fd0936292..95debe435f 100644
--- a/effects/blur/blur.cpp
+++ b/effects/blur/blur.cpp
@@ -186,6 +186,9 @@ bool BlurEffect::enabledByDefault()
 
     if (gl->isIntel() && gl->chipClass() < SandyBridge)
         return false;
+    if (gl->isSoftwareEmulation()) {
+        return false;
+    }
 
     return true;
 }