diff --git a/master.cfg b/master.cfg
index 3bcd8a6..b18676e 100644
--- a/master.cfg
+++ b/master.cfg
@@ -419,7 +419,7 @@ send to the gdb-testers mailing list."""
 
     try_to = build.getReason ().strip ("'try' job by user ")
     # Sending the root message to gdb-testers.
-    SendRootMessageGDBTesters (branch, cur_change, istrysched = True, try_to)
+    SendRootMessageGDBTesters (branch, cur_change, istrysched = True, try_to = try_to)
 
     # Subject
     subj = "Try Build on %s, branch %s" % (name, branch)