diff --git a/190 b/190
index 62cec9a9..8f855853 100755
--- a/190
+++ b/190
@@ -20,7 +20,6 @@ holes="4096:4096 303104:4096 1048576:512 1051648:8192 1065984:8192 1085440:7168"
 filesize=10
 #Name of file to perform the test on
 filename=test-190
-fsblocksize=4096
 
 seq=`basename $0`
 echo "QA output created by $seq"
@@ -41,7 +40,7 @@ _supported_os Linux
 _require_scratch
 _scratch_mkfs_xfs >/dev/null 2>&1
 _scratch_mount
-
+fsblocksize=`xfs_info $SCRATCH_MNT|sed 's/=/ /g'|awk '/^data / { print $3 }'`
 
 dd if=/dev/zero of=$SCRATCH_MNT/$filename bs=1024k count=10 >> $seq.full 2>&1