diff --git a/tests/generic/453 b/tests/generic/453
index ff297361..bda11129 100755
--- a/tests/generic/453
+++ b/tests/generic/453
@@ -157,7 +157,7 @@ check_xfs_scrub() {
 }
 
 if check_xfs_scrub; then
-	output="$(${XFS_SCRUB_PROG} -n "${SCRATCH_MNT}" 2>&1 | filter_scrub)"
+	output="$(LC_ALL="C.UTF-8" ${XFS_SCRUB_PROG} -n "${SCRATCH_MNT}" 2>&1 | filter_scrub)"
 	echo "${output}" | grep -q "french_" || echo "No complaints about french e accent?"
 	echo "${output}" | grep -q "chinese_" || echo "No complaints about chinese width-different?"
 	echo "${output}" | grep -q "greek_" || echo "No complaints about greek letter mess?"
diff --git a/tests/generic/454 b/tests/generic/454
index 01279ee8..d1f93b26 100755
--- a/tests/generic/454
+++ b/tests/generic/454
@@ -153,7 +153,7 @@ check_xfs_scrub() {
 }
 
 if check_xfs_scrub; then
-	output="$(${XFS_SCRUB_PROG} -n "${SCRATCH_MNT}" 2>&1 | filter_scrub)"
+	output="$(LC_ALL="C.UTF-8" ${XFS_SCRUB_PROG} -n "${SCRATCH_MNT}" 2>&1 | filter_scrub)"
 	echo "${output}" | grep -q "french_" || echo "No complaints about french e accent?"
 	echo "${output}" | grep -q "chinese_" || echo "No complaints about chinese width-different?"
 	echo "${output}" | grep -q "greek_" || echo "No complaints about greek letter mess?"