diff --git a/scripts/change_url b/scripts/change_url
index 9129e0c..390db63 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -100,9 +100,17 @@ fi
 # ...
 #=================================================
 if [ $new_path = "/" ]; then
-	ynh_replace_string "$old_domain$old_path" "$new_domain" "$final_path/config.php"
+	if [ $old_path = "/" ]; then
+		ynh_replace_string "://$old_domain" "://$new_domain" "$final_path/config.php"
+	else
+		ynh_replace_string "://$old_domain$old_path" "://$new_domain" "$final_path/config.php"
+	fi
 else
-	ynh_replace_string "$old_domain$old_path" "$new_domain$new_path" "$final_path/config.php"
+        if [ $old_path = "/" ]; then
+                ynh_replace_string "://$old_domain" "://$new_domain$new_path" "$final_path/config.php"
+        else
+                ynh_replace_string "://$old_domain$old_path" "://$new_domain$new_path" "$final_path/config.php"
+        fi
 fi
 
 #=================================================