diff --git a/libkwineffects/kwinglutils.cpp b/libkwineffects/kwinglutils.cpp
index 750def5f04..fa91758e3b 100644
--- a/libkwineffects/kwinglutils.cpp
+++ b/libkwineffects/kwinglutils.cpp
@@ -418,11 +418,12 @@ void GLShader::resolveLocations()
     if (mLocationsResolved)
         return;
 
-    mMatrixLocation[TextureMatrix]        = uniformLocation("textureMatrix");
-    mMatrixLocation[ProjectionMatrix]     = uniformLocation("projection");
-    mMatrixLocation[ModelViewMatrix]      = uniformLocation("modelview");
-    mMatrixLocation[WindowTransformation] = uniformLocation("windowTransformation");
-    mMatrixLocation[ScreenTransformation] = uniformLocation("screenTransformation");
+    mMatrixLocation[TextureMatrix]              = uniformLocation("textureMatrix");
+    mMatrixLocation[ProjectionMatrix]           = uniformLocation("projection");
+    mMatrixLocation[ModelViewMatrix]            = uniformLocation("modelview");
+    mMatrixLocation[ModelViewProjectionMatrix]  = uniformLocation("modelViewProjectionMatrix");
+    mMatrixLocation[WindowTransformation]       = uniformLocation("windowTransformation");
+    mMatrixLocation[ScreenTransformation]       = uniformLocation("screenTransformation");
 
     mVec2Location[Offset] = uniformLocation("offset");
 
diff --git a/libkwineffects/kwinglutils.h b/libkwineffects/kwinglutils.h
index 0bceb10089..75f1e956b9 100644
--- a/libkwineffects/kwinglutils.h
+++ b/libkwineffects/kwinglutils.h
@@ -133,6 +133,7 @@ public:
         TextureMatrix = 0,
         ProjectionMatrix,
         ModelViewMatrix,
+        ModelViewProjectionMatrix,
         WindowTransformation,
         ScreenTransformation,
         MatrixCount