diff --git a/main.sh b/main.sh
index fa50975..f6fadd5 100644
--- a/main.sh
+++ b/main.sh
@@ -102,13 +102,13 @@ do_partition() {
 			size=2048
 			parted -a optimal $TARGET_PHY_WWN unit mib -s -- mkpart primary ext4 $start $(( start + size ))
 			start=$(( start + size ))
-			sync
-			sleep 3
 			mkfs.btrfs -f "${TARGET_PHY_WWN}-part1"
 			TARGET_PART="2"
 		fi
 		parted -a optimal $TARGET_PHY_WWN unit mib -s -- mkpart primary ext4 $start -1s
 	fi
+	sync
+	sleep 3
 
 	TARGETNAME=$(basename ${TARGET_PHY_WWN}-part${TARGET_PART})
 	TARGETNAME_UNDERSCORE=${TARGETNAME//-/_}