diff --git a/vnctalk/vnc_fcm_common.lua b/vnctalk/vnc_fcm_common.lua
index 19a8450..7646a50 100644
--- a/vnctalk/vnc_fcm_common.lua
+++ b/vnctalk/vnc_fcm_common.lua
@@ -136,12 +136,12 @@ function M.new(ctx)
 
   local function invalidateNotifyCacheGlobal(userName)
     invalidateNotifyCache(userName);
-    prosody.events:fire_event("vnc-fcm-invalidate-notify-cache", { username = userName });
+    prosody.events.fire_event("vnc-fcm-invalidate-notify-cache", { username = userName });
   end
 
   local function invalidateVcardCacheGlobal(userName)
     invalidateVcardCache(userName);
-    prosody.events:fire_event("vnc-fcm-invalidate-vcard-cache", { username = userName });
+    prosody.events.fire_event("vnc-fcm-invalidate-vcard-cache", { username = userName });
   end
 
   -- ─── display name ────────────────────────────────────────────────