diff --git a/src/MailKitMailModule.cs b/src/MailKitMailModule.cs
index e0d6dad..3987ae6 100644
--- a/src/MailKitMailModule.cs
+++ b/src/MailKitMailModule.cs
@@ -296,7 +296,7 @@ namespace OpenSim.Modules.EMail
         public bool isUUID(string thing)
         {
             UUID test;
-            return UUID.TryParse(thing, out test) ? 1 : 0;
+            return UUID.TryParse(thing, out test) ? true : false;
         }
     }
 }