diff --git a/wallace/module_resources.py b/wallace/module_resources.py
--- a/wallace/module_resources.py
+++ b/wallace/module_resources.py
@@ -1068,7 +1068,8 @@
         level=8
     )
 
-    if saved:
+    # Only send a response back to the organizer if this is a confirmation from the resource owner.
+    if saved and confirmed:
         send_response(delegator['mail'] if delegator else resource['mail'], itip_event, owner)
 
     if owner and confirmation_required: