diff --git a/install.uefi b/install.uefi
index e4ada86..1f62f16 100644
--- a/install.uefi
+++ b/install.uefi
@@ -148,6 +148,16 @@ if [[ $NOCASEMATCH_UNSET ]]; then
   shopt -u nocasematch
 fi
 
+if [[ "${UNKNOWN_PARTITIONS}" > "0" ]]; then
+  if [[ "${UNKNOWN_PARTITIONS}" > "1" ]]; then
+    read -r -p "Mehrere Partitionen unbekannt. Trotzdem fortfahren? (j/N): " confirm
+    [[ "${confirm}" == [jJ] ]] || echo "Abbrechen" && exit 0
+  else
+    read -r -p "Eine Partition unbekannt. Trotzdem fortfahren? (j/N): " confirm
+    [[ "${confirm}" == [jJ] ]] || echo "Abbrechen" && exit 0
+  fi
+fi
+
 mkfs.vfat -n EFI -F 32 /dev/vda1
 mkfs.ext4 -L usr /dev/vda2
 mkfs.ext4 -L root /dev/vda4