diff --git a/test.uefi b/test.uefi
index 67c2fed..4e90f53 100644
--- a/test.uefi
+++ b/test.uefi
@@ -123,7 +123,7 @@ fi
 
 #----------------------------#
 
-CHECK_FS_EXISTENCE_OUTPUT=$(lsblk -pldo NAME,PARTUUID,PARTTYPE,FSTYPE,FSVER "${DRIVE}[0-9]")
+CHECK_FS_EXISTENCE_OUTPUT=$(lsblk -plo NAME,PARTUUID,PARTTYPE,FSTYPE,FSVER | grep -i "${DRIVE}[0-9]")
 declare -A INFO_ESP=""
 declare -A INFO_USR=""
 declare -A INFO_USRHASH=""
@@ -137,7 +137,7 @@ CHECK_FS_USRHASH=$(echo "${CHECK_FS_EXISTENCE_OUTPUT}" | grep -i "77ff5f63-e7b6-
 
 CHECK_FS_ROOT=$(echo "${CHECK_FS_EXISTENCE_OUTPUT}" | grep -i "4f68bce3-e8cd-4db1-96e7-fbcaf984b709" | grep -i "ext4")
 
-if [[ ${CHECK_ESP} -eq 0 ]]; then
+if [[ ${CHECK_FS_ESP} -eq 0 ]]; then
   echo "ESP-Dateisystem existiert nicht."
 else
   echo "ESP-Dateisystem existiert."