diff --git a/packages/x11/lib/libX11/build b/packages/x11/lib/libX11/build
index cfdd3718a4..eda396ccb9 100755
--- a/packages/x11/lib/libX11/build
+++ b/packages/x11/lib/libX11/build
@@ -32,7 +32,7 @@ cd $PKG_BUILD
             --disable-man-pages \
             --disable-composecache \
             --disable-lint-library \
-            --disable-ipv6 \
+            --enable-ipv6 \
             --without-launchd \
             --without-lint