diff --git a/app/replace_files.py b/app/replace_files.py
index b05d9a9..573000f 100755
--- a/app/replace_files.py
+++ b/app/replace_files.py
@@ -16,6 +16,7 @@
 import glob
 import os
 import shutil
+import sys
 
 from helpers import (
     fade_point,
@@ -60,6 +61,10 @@ print(f"{source_dir=}, {parent_dir=}")
 
 
 def main():
+    if 'musicmuster_prod' not in os.environ.get('MM_DB'):
+        response = input("Not on production database - c to continue: ")
+        if response != "c":
+            sys.exit(0)
     tracks = os.listdir(parent_dir)
     for fname in os.listdir(source_dir):
         parent_file = os.path.join(parent_dir, fname)