diff --git a/scripts/upgrade b/scripts/upgrade
index 2e68986..50efd41 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -112,7 +112,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"--keep="web/config/settings.php"
+	ynh_setup_source --dest_dir="$final_path" --keep="web/config/settings.php"
 fi
 
 chmod 750 "$final_path"