diff --git a/seahub/templates/base_for_react.html b/seahub/templates/base_for_react.html
index 227308c3a4..a2d932e2cf 100644
--- a/seahub/templates/base_for_react.html
+++ b/seahub/templates/base_for_react.html
@@ -74,7 +74,7 @@
             })(),
             enableRepoSnapshotLabel: {% if enable_repo_snapshot_label %} true {% else %} false {% endif %},
             shareLinkPasswordMinLength: {{ share_link_password_min_length }},
-            shareLinkExpireDaysDefault: {% if share_link_expire_days_default %} share_link_expire_days_default {% else %} 0 {% endif %},
+            shareLinkExpireDaysDefault: {% if share_link_expire_days_default %} {{ share_link_expire_days_default }} {% else %} 0 {% endif %},
             shareLinkExpireDaysMin: "{{ share_link_expire_days_min }}",
             shareLinkExpireDaysMax: "{{ share_link_expire_days_max }}",
             maxFileName: "{{ max_file_name }}",