diff --git a/check_btrfs/check_btrfs.sh b/check_btrfs/check_btrfs.sh
index 3b3ec95..46d48d5 100755
--- a/check_btrfs/check_btrfs.sh
+++ b/check_btrfs/check_btrfs.sh
@@ -7,7 +7,7 @@ function smart_disks() {
   fi
 
   POOL=$1
-  DISKS=$(btrfs device stats / | grep -oP "^\[[^\]]+\]" | sed 's/[][]//g' | sort -u)
+  DISKS=$(sudo btrfs device stats -c / | grep -oP "^\[[^\]]+\]" | sed 's/[][]//g' | sort -u)
   ERR_OUTPUT=""
   HIGHEST_RES=0
   for disk in $DISKS; do
@@ -50,7 +50,7 @@ function pool_errors() {
     return 3
   fi
 
-  OUTPUT="$(btrfs device stats -c $1)"
+  OUTPUT="$(sudo btrfs device stats -c $1)"
   STATUS=$?
 
   if [[ $STATUS != 0 ]]; then