diff --git a/015 b/015
index 8a336d1c..9b788370 100755
--- a/015
+++ b/015
@@ -51,8 +51,8 @@ _supported_os IRIX Linux
 _require_scratch
 _require_nobigloopfs
 
-_scratch_mkfs_xfs -d size=50m >/dev/null
-_scratch_mount
+_scratch_mkfs_xfs -d size=50m >/dev/null || _fail "mkfs failed"
+_scratch_mount || _fail "mount failed"
 out=$SCRATCH_MNT/fillup.$$
 rm -f $seq.full