diff --git a/access_groups.tf b/access_groups.tf
index 0399225..1630d51 100644
--- a/access_groups.tf
+++ b/access_groups.tf
@@ -43,7 +43,7 @@ locals {
   # On retire les pays "main"
   blocked_countries_except_main = [
     for code in local.all_countries : code
-    if !(code in local.main_countries)
+    if not (code in local.main_countries)
   ]
 
   # OS posture checks