diff --git a/src/backend/opengl/RenderPipelineGL.cpp b/src/backend/opengl/RenderPipelineGL.cpp
index a36a0a5..7684f76 100644
--- a/src/backend/opengl/RenderPipelineGL.cpp
+++ b/src/backend/opengl/RenderPipelineGL.cpp
@@ -44,11 +44,11 @@
 
     RenderPipeline::RenderPipeline(RenderPipelineBuilder* builder)
         : RenderPipelineBase(builder), PipelineGL(this, builder),
-          glPrimitiveTopology(GLPrimitiveTopology(GetPrimitiveTopology())) {
+          mGlPrimitiveTopology(GLPrimitiveTopology(GetPrimitiveTopology())) {
     }
 
     GLenum RenderPipeline::GetGLPrimitiveTopology() const {
-        return glPrimitiveTopology;
+        return mGlPrimitiveTopology;
     }
 
     void RenderPipeline::ApplyNow(PersistentPipelineState &persistentPipelineState) {