diff --git a/Engine/source/shaderGen/GLSL/pixSpecularGLSL.h b/Engine/source/shaderGen/GLSL/pixSpecularGLSL.h
index 2b7c92b95..b7a79f6fc 100644
--- a/Engine/source/shaderGen/GLSL/pixSpecularGLSL.h
+++ b/Engine/source/shaderGen/GLSL/pixSpecularGLSL.h
@@ -58,6 +58,9 @@ class SpecularMapGLSL : public ShaderFeatureGLSL
 {
 
 public:
+   virtual void processVert( Vector<ShaderComponent*> &componentList,
+                             const MaterialFeatureData &fd );
+
    virtual void processPix( Vector<ShaderComponent*> &componentList, 
       const MaterialFeatureData &fd );
 
@@ -74,4 +77,4 @@ public:
    }
 };
 
-#endif // _PIXSPECULAR_HLSL_H_
\ No newline at end of file
+#endif // _PIXSPECULAR_HLSL_H_