diff --git a/modules/gfx/src/impl/entity_renderer.hh b/modules/gfx/src/impl/entity_renderer.hh
index f5adc9d630b58d877a63ab214cd34d01fd205a5e..ceed73fa4d8d2f41a739c949a6e978ae29b18fbc 100644
--- a/modules/gfx/src/impl/entity_renderer.hh
+++ b/modules/gfx/src/impl/entity_renderer.hh
@@ -233,6 +233,7 @@ struct GradientLevelGetCol {
       LOG_DEBUG("property " << property_ << " not found");
       return std::make_pair(false,Color());
     }
+    return std::make_pair(false,Color());
   }
   String property_;
   mol::EntityPropertyMapper epm_;