diff --git a/script.uefi b/script.uefi
index b06ced9..35a0d73 100755
--- a/script.uefi
+++ b/script.uefi
@@ -98,9 +98,13 @@ create () {
 
 # existing_partitions <Gerät> [<Type>]
 existing_partitions () {
+  local DEVICE="$1"
+  local TYPE="$2"
+  echo "1: $1,2: $2" >> temp.log
   if [[ $# -eq 1 ]] # Genereller test auf Partitionen
   then
-    ANZAHL_PARTITIONEN_VORHANDEN=$(lsblk -pl "${DEVICE}" | grep -ic "${1}")
+    echo "Path 1" >> temp.log
+    ANZAHL_PARTITIONEN_VORHANDEN=$(lsblk -pl "${DEVICE}" | grep -ic "${DEVICE}[0-9]")
     if [[ ${ANZAHL_PARTITIONEN_VORHANDEN} != 0 ]]
     then
       echo "yes" # Partitionen vorhanden
@@ -109,7 +113,8 @@ existing_partitions () {
     fi
   elif [[ $# -eq 2 ]] # Test auf eine bestimmte Partition
   then
-    case $2 in
+    echo "Path 2" >> temp.log
+    case ${TYPE} in
       "ESP")
         PARTUUID="${GUIDS[ESP]}"
         ;;
@@ -129,7 +134,8 @@ existing_partitions () {
         die 1 "Unbekannter Partitionstype"
         ;;
     esac
-    SPEZIFISCHE_PARTITION_VORHANDEN=$(lsblk -o PARTTYPE "${DEVICE}" | grep "${PARTUUID}")
+    echo "UUID: ${PARTUUID}" >> temp.log
+    SPEZIFISCHE_PARTITION_VORHANDEN=$(lsblk -o PARTTYPE "${DEVICE}" | grep -ic "${PARTUUID}")
     if [[ "${SPEZIFISCHE_PARTITION_VORHANDEN}" == 1 ]]
     then
       echo "yes" # bestimmte Partition vorhanden