diff --git a/ffmpeg_gen_free_tarball.sh b/ffmpeg_gen_free_tarball.sh
index 9c4bb67..f4710fe 100755
--- a/ffmpeg_gen_free_tarball.sh
+++ b/ffmpeg_gen_free_tarball.sh
@@ -17,6 +17,8 @@
 #
 # shellcheck disable=2181
 
+export LC_COLLATE="C.UTF-8"
+
 FF_PKGNAME="ffmpeg"
 FF_PKGNAME_SUFFIX="-free"
 FF_VERSION="$(rpmspec -P ./*.spec | grep ^Version | sed -e 's/Version:[ ]*//g')"
diff --git a/ffmpeg_update_free_sources.sh b/ffmpeg_update_free_sources.sh
index 5b6c3b1..7dc5c9c 100755
--- a/ffmpeg_update_free_sources.sh
+++ b/ffmpeg_update_free_sources.sh
@@ -17,6 +17,8 @@
 #
 # shellcheck disable=2181
 
+export LC_COLLATE="C.UTF-8"
+
 cleanup_and_exit()
 {
     if test "$1" = 0 -o -z "$1"; then