diff --git a/polymer/eduke32/build/Makefile.shared b/polymer/eduke32/build/Makefile.shared
index c56467640..51cd9913f 100644
--- a/polymer/eduke32/build/Makefile.shared
+++ b/polymer/eduke32/build/Makefile.shared
@@ -314,7 +314,9 @@ else
             LIBS+= -L/opt/local/lib -L/usr/local/lib -lpng # -lz
         endif
     else
-        LIBS+= -lpng -lz
+        ifneq ($(USE_LIBPNG),0)
+            LIBS+= -lpng -lz
+        endif
     endif
 endif