diff --git a/src/modules/customtitle.rs b/src/modules/customtitle.rs
index b599df4..0881df4 100644
--- a/src/modules/customtitle.rs
+++ b/src/modules/customtitle.rs
@@ -98,6 +98,7 @@ impl Command for TitleCmd {
             });
             if !started {
                 deny(s, uid);
+                return CmdResult::Fail; // crypto pool full — consistent with the sync path
             }
             return CmdResult::Ok;
         }