diff --git a/lustre/tests/mount2fs.sh b/lustre/tests/mount2fs.sh
index 6d943627b5d9f6fb8aad77a784892bf8e8176c12..6535ef43bbdfd2043cbce06b0edd3cb92853192a 100644
--- a/lustre/tests/mount2fs.sh
+++ b/lustre/tests/mount2fs.sh
@@ -8,7 +8,7 @@ LMC=${LMC-../utils/lmc}
 TMP=${TMP:-/tmp}
 
 MDSDEV=${MDSDEV:-$TMP/mds1-`hostname`}
-MDSDEV2=${MDSDEV:-$TMP/mds2-`hostname`}
+MDSDEV2=${MDSDEV2:-$TMP/mds2-`hostname`}
 MDSSIZE=50000
 FSTYPE=${FSTYPE:-ext3}