diff --git a/scripts/install b/scripts/install
index 9638aa8..19c83da 100644
--- a/scripts/install
+++ b/scripts/install
@@ -167,7 +167,7 @@ else
 	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/jsonrpc.php"
 fi
 
-ynh_permission_create --permission "ics" --url "/controller=ICalendarController" --allowed "visitors" --label "ICS Public access"
+ynh_permission_create --permission="ics" --url="/?controller=ICalendarController" --allowed="visitors" --label="ICS Public access"
 
 # Calculate and store the config file checksum into the app settings
 ynh_store_file_checksum --file="$final_path/config.php"
diff --git a/scripts/upgrade b/scripts/upgrade
index 7314a1d..011e4a1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -73,7 +73,7 @@ fi
 
 # Create a permission if needed
 if ! ynh_permission_exists --permission="ics"; then
-	ynh_permission_create --permission "ics" --url "/controller=ICalendarController" --allowed "visitors" --label "ICS Public access"
+	ynh_permission_create --permission="ics" --url="/?controller=ICalendarController" --allowed="visitors" --label="ICS Public access"
 fi
 
 #=================================================