diff --git a/borgmatic_setup.sh b/borgmatic_setup.sh
index 61108e7..624b89d 100755
--- a/borgmatic_setup.sh
+++ b/borgmatic_setup.sh
@@ -56,12 +56,13 @@ SSH_KEY_FILE="/root/.ssh/${SSH_KEY_NAME}_${SSH_KEY_TYPE}"
 # SCRIPT - DO NOT EDIT
 
 # internal variables
-AUTO=0
-NO_UPGRADE=0
-FIRST_BACKUP=0
-IS_REMOTE_SYNOLGY=0
-OVERRIDE_CRONTAB=0
-OVERRIDE_CONFIG=0
+AUTO=0                  # Set to 1 to enable automatic, non-interactive mode
+NO_UPGRADE=0            # Set to 1 to skip package upgrades
+FIRST_BACKUP=0          # Set to 1 to run the first backup after setup
+IS_REMOTE_SYNOLGY=0     # Set to 1 if the remote end is a Synology NAS
+OVERRIDE_CRONTAB=0      # Set to 1 to override the existing crontab file
+OVERRIDE_CONFIG=0       # Set to 1 to override the existing borgmatic configuration file
+OVERRIDE_REPOSITORY=0   # Set to 1 to override the existing backup repository
 
 # constants
 readonly SCRIPT_NAME="Borgmatic Backup Setup Tool"
@@ -366,6 +367,7 @@ function is_remote_synology {
 # -f, --first-backup: Run the first backup after setup
 # -o, --override-crontab: Override the existing crontab file
 # -c, --override-config: Override the existing borgmatic configuration file
+# -r, --override-repository: Override the existing backup repository
 # -v, --version: Show script version
 # -h, --help: Show help message
 #
@@ -444,6 +446,10 @@ while [[ $# -gt 0 ]]; do
             OVERRIDE_CONFIG=1
             shift
             ;;
+        -r|--override-repository)
+            OVERRIDE_REPOSITORY=1
+            shift
+            ;;
         -h|--help)
             inf "Usage: borgmatic_setup.sh [options]"
             inf ""
@@ -460,6 +466,7 @@ while [[ $# -gt 0 ]]; do
             inf "  -f, --first-backup: Run the first backup after setup"
             inf "  -o, --override-crontab: Override the existing crontab file"
             inf "  -c, --override-config: Override the existing borgmatic configuration file"
+            inf "  -r, --override-repository: Override the existing backup repository"
             inf "  -v, --version: Show script version"
             inf "  -h, --help: Show help message"
             inf ""
@@ -859,6 +866,25 @@ if ! inf_follow "Validating borgmatic configuration..." "\e[1;32mOK\e[0m" "\e[1;
     exit 1
 fi
 
+# check for existing borg repository and abort if $OVERRIDE_REPOSITORY is not set
+if inf_follow "Checking for existing borgmatic repository..." "\e[1;32mYes\e[0m" "\e[1;31mNo\e[0m" run_command /root/.local/pipx/venvs/borgmatic/bin/borgmatic info; then
+    if [ $OVERRIDE_REPOSITORY -ne 1 ]; then
+        if [ -z $AUTO ] && ! wrnp "A borgmatic repository already exists. Do you want to override it? [y/N]"; then
+            err "A borgmatic repository already exists."
+            err "Please remove the existing repository or use the --override-repository option."
+            exit 1
+        elif [ $AUTO -eq 1 ]; then
+            err "A borgmatic repository already exists."
+            err "Please remove the existing repository or use the --override-repository option."
+            exit 1
+    else
+        wrn "Existing borgmatic repository will be overridden!"
+    fi
+else
+    inf "No existing borgmatic repository found."
+fi
+
+
 # ask for backup passphrase if none is set and encryption is enabled
 if [ -z "$BACKUP_PASSPHRASE" ] && [ "$BACKUP_ENCRYPTION" != "none" ]; then
     wrn "Please enter the passphrase for the backup encryption."