diff --git a/config/tree.py b/config/tree.py
index aa0d80a1..f0110a7e 100644
--- a/config/tree.py
+++ b/config/tree.py
@@ -39,6 +39,11 @@ if __name__ == "__main__":
         print("Please provide at least one folder path.")
         sys.exit(1)
 
+    # Check if 'tree.json' exists
+    if os.path.exists('tree.json'):
+        print("'tree.json' already exists. No file was created.")
+        sys.exit(0)
+
     # Generate the combined folder tree for all specified paths
     combined_folder_tree = generate_combined_tree(folder_paths)
 
@@ -46,4 +51,4 @@ if __name__ == "__main__":
     with open('tree.json', 'w') as f:
         json.dump(combined_folder_tree, f, indent=4)
 
-    print("Folder tree successfully written to 'tree.json'.")
\ No newline at end of file
+    print("Folder tree successfully written to 'tree.json'.")