diff --git a/scripts/ipkg-build b/scripts/ipkg-build
index 32bc4b6d50..19df621048 100755
--- a/scripts/ipkg-build
+++ b/scripts/ipkg-build
@@ -58,7 +58,7 @@ pkg_appears_sane() {
 
 		rm "$CONTROL"/conffiles
 		if [ -f "$CONTROL"/conffiles.resolved ]; then
-			sort -o "$CONTROL"/conffiles "$CONTROL"/conffiles.resolved
+			LC_ALL=C sort -o "$CONTROL"/conffiles "$CONTROL"/conffiles.resolved
 			rm "$CONTROL"/conffiles.resolved
 			chmod 0644 "$CONTROL"/conffiles
 		fi