diff --git a/modules/system/boot/stage-1-init.sh b/modules/system/boot/stage-1-init.sh
index cac7a1ceaa9..4a13578abcd 100644
--- a/modules/system/boot/stage-1-init.sh
+++ b/modules/system/boot/stage-1-init.sh
@@ -219,7 +219,11 @@ checkFS() {
 
     echo "checking $device..."
 
-    fsck -V -a "$device"
+    fsckFlags=
+    if test "$fsType" != "btrfs"; then
+        fsckFlags="-V -a"
+    fi
+    fsck $fsckFlags "$device"
     fsckResult=$?
 
     if test $(($fsckResult | 2)) = $fsckResult; then