diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6fc0e412..021cd348 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ If you are upgrading from v0.16.x, replace the binary (or run `docker pull`). If
 - Meilisearch: Limit the text search scope using `attributesToSearchOn`.
 - CalDAV: `calendar-query` REPORT returns invalid HTTP `404` when no events match the query.
 - Snowflake past id generation fails when the provided duration is longer than 4 years.
+- Calendar scheduling: Wrong RSVP base URL is used.
 
 ## [0.16.11] - 2026-06-25
 
diff --git a/crates/common/src/config/groupware.rs b/crates/common/src/config/groupware.rs
index bc0aec13..8e977c78 100644
--- a/crates/common/src/config/groupware.rs
+++ b/crates/common/src/config/groupware.rs
@@ -128,7 +128,7 @@ impl GroupwareConfig {
                 .map(|d| d.into_inner().as_secs()),
             itip_http_rsvp_url: if sched.http_rsvp_enable {
                 if let Some(url) = sched
-                    .http_rsvp_template
+                    .http_rsvp_url
                     .as_deref()
                     .map(|v| v.trim().trim_end_matches('/'))
                     .filter(|v| !v.is_empty())