diff --git a/ctrl/sbbs.ini b/ctrl/sbbs.ini
index c41fceb15d448eb528e169c058f38f8f4dd6bcbf..4c5b8c6c47e8b75abe7f88c797df73e1ecb6fb3f 100644
--- a/ctrl/sbbs.ini
+++ b/ctrl/sbbs.ini
@@ -12,6 +12,7 @@
 Hostname=
 CtrlDirectory=
 TempDirectory=
+SemFileCheckFrequency=5	; seconds
 
 [BBS]
 AutoStart=true