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-rwxr-xr-xsrc/test/regress/regress.sh4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/test/regress/regress.sh b/src/test/regress/regress.sh
index cf9956743c..6086cc93e9 100755
--- a/src/test/regress/regress.sh
+++ b/src/test/regress/regress.sh
@@ -42,8 +42,8 @@ fi
echo "=============== running regression queries... ================="
echo "" > regression.diffs
-if [ a$MB != a ];then
- mbtests=`echo $MB|tr "[A-Z]" "[a-z]"`
+if [ -n "$MULTIBYTE" ];then
+ mbtests=`echo $MULTIBYTE|tr "[A-Z]" "[a-z]"`
else
mbtests=""
fi