diff --git a/Engine/source/gfx/gl/gfxGLShader.h b/Engine/source/gfx/gl/gfxGLShader.h
index a3664d4b1..1c88a95f3 100644
--- a/Engine/source/gfx/gl/gfxGLShader.h
+++ b/Engine/source/gfx/gl/gfxGLShader.h
@@ -93,6 +93,7 @@ protected:
    /// @{
    GLuint mVertexShader;
    GLuint mPixelShader;
+   GLuint mGeometryShader;
    GLuint mProgram;
    /// @}