diff --git a/polymer/eduke32/build/src/engine.c b/polymer/eduke32/build/src/engine.c
index ff4066644..36c7342e2 100644
--- a/polymer/eduke32/build/src/engine.c
+++ b/polymer/eduke32/build/src/engine.c
@@ -17502,8 +17502,11 @@ void invalidatetile(int16_t tilenume, int32_t pal, int32_t how)
                     gltexinvalidate(tilenume, np, hp);
         }
 
+#ifdef POLYMER
         if (getrendermode() == REND_POLYMER)
             polymer_invalidateartmap(tilenume);
+#endif
+
     }
 #endif
 }