diff --git a/build/pdp10-ka/imlac b/build/pdp10-ka/imlac
index edb5aadf..60753106 100644
--- a/build/pdp10-ka/imlac
+++ b/build/pdp10-ka/imlac
@@ -1,4 +1,4 @@
-enable mit mode true
+enable mit mode
 set cpu type PDS1
 set framerate throttle true
 attach tty raw localhost d10016