diff --git a/packages/x11/lib/libSM/build b/packages/x11/lib/libSM/build
index ea71823b38..965ff404d5 100755
--- a/packages/x11/lib/libSM/build
+++ b/packages/x11/lib/libSM/build
@@ -13,7 +13,6 @@ cd $PKG_BUILD
             --sysconfdir=/etc \
             --enable-static \
             --disable-shared \
-            --disable-IPv6 \
             --without-libuuid \
 
 make