diff --git a/resource-1.4/french/MorphoFre.gf b/resource-1.4/french/MorphoFre.gf
index a27c1ebf4..5464c8875 100644
--- a/resource-1.4/french/MorphoFre.gf
+++ b/resource-1.4/french/MorphoFre.gf
@@ -11,7 +11,7 @@
 resource MorphoFre = CommonRomance, ResFre ** 
   open PhonoFre, Prelude, Predef in {
 
-flags optimize=all ;
+flags optimize=noexpand ;
 
 --2 Front vowels
 --