diff --git a/imap/jmap_api.c b/imap/jmap_api.c
index 673d9e7e7e..fe7995d142 100644
--- a/imap/jmap_api.c
+++ b/imap/jmap_api.c
@@ -2989,6 +2989,7 @@ static int set_upload_rights(const char *accountid)
     }
 
     mailbox_close(&mbox);
+    free(newacl);
 
     return 0;
 }