diff --git a/Discovery/Mainframe/default_cics_transactions.txt b/Discovery/Mainframe/default_cics_transactions.txt
index 45774dbb..8d0c483b 100644
--- a/Discovery/Mainframe/default_cics_transactions.txt
+++ b/Discovery/Mainframe/default_cics_transactions.txt
@@ -1,4 +1,4 @@
-TESDOM8
+TESDOM1
 CADP
 CATA
 CATD