diff --git a/build/build.tcl b/build/build.tcl
index 0b9bebb6..f376737d 100644
--- a/build/build.tcl
+++ b/build/build.tcl
@@ -904,7 +904,6 @@ respond "*" ":link device;chaos bye,sys1;ts bye\r"
 
 # @
 respond "*" ":midas sys;ts @_sysen1;@\r"
-respond "Use what filename instead?" "sysen2;\r"
 expect ":KILL"
 
 # PLAN/CREATE
diff --git a/src/sysen1/@.695 b/src/sysen1/@.695
index 858b1d82..fa3197c5 100644
--- a/src/sysen1/@.695
+++ b/src/sysen1/@.695
@@ -9909,7 +9909,7 @@ SUBTTL	PASS 1 PROCESSING FOR UCONS CODE
 
 SUBTTL	PASS 1 AND PASS 2 PROCESSING FOR MUDDLE CODE
 
-IFN MUDLSW,.INSRT @MUDDLE
+IFN MUDLSW,.INSRT SYSEN2; @MUDDLE
 
 SUBTTL	SYMBOL NAME COMPARISON ROUTINES