diff --git a/tests/test_package_ordering.sh b/tests/test_package_ordering.sh
index a568abf928..bfc2a1954f 100755
--- a/tests/test_package_ordering.sh
+++ b/tests/test_package_ordering.sh
@@ -7,6 +7,7 @@ TOP=$(cd $(dirname "$0")/.. && pwd)
 
 source $TOP/tests/unittest.sh
 
+export LC_ALL=en_US.UTF-8
 PKG_FILES=$(find $TOP/files/debs $TOP/files/rpms $TOP/files/rpms-suse -type f)
 
 TMPDIR=$(mktemp -d)