diff --git a/include/openspace/rendering/renderengine.h b/include/openspace/rendering/renderengine.h
index 28cee7e43a..d32734712c 100644
--- a/include/openspace/rendering/renderengine.h
+++ b/include/openspace/rendering/renderengine.h
@@ -194,7 +194,7 @@ private:
     ghoul::Dictionary _resolveData;
     ScreenLog* _log = nullptr;
 
-    ghoul::opengl::OpenGLStateCache* _openglStateCache;
+    ghoul::opengl::OpenGLStateCache* _openglStateCache = nullptr;
 
     properties::BoolProperty _showOverlayOnSlaves;
     properties::BoolProperty _showLog;