diff --git a/scola.py b/scola.py
index a6156ad..ff341ab 100644
--- a/scola.py
+++ b/scola.py
@@ -13,6 +13,11 @@ def main_scola(parsed_args):
     
     nboxes_tot = int(parsed_args.N_tiles**3)
 
+    if have_all_tiles(parsed_args) and not parsed_args.force:
+        print_message("All tiles already exist. Use -F to overwrite.", 1, "scola", verbose=parsed_args.verbose)
+        print_ending_module("scola", verbose=parsed_args.verbose)
+        return
+
     if parsed_args.execution == "local":
         from parameters_card import parse_arguments_card
         from tqdm import tqdm