diff --git a/configure.in b/configure.in
index 83780a26a640..07c3bd12a366 100644
--- a/configure.in
+++ b/configure.in
@@ -2639,7 +2639,7 @@ fi
 AC_SUBST(MOZ_MAIL_NEWS)
 
 dnl Turn on the new lightweight gfx text control frames
-MOZ_ENDER_LITE=0
+MOZ_ENDER_LITE=
 MOZ_ARG_ENABLE_BOOL(ender-lite,
 [  --enable-ender-lite      Enable new lightweight text control frames],
   MOZ_ENDER_LITE=1 )