--- /etc/control.d/functions.orig
+++ /etc/control.d/functions
@@ -90,7 +90,8 @@
 	local PATHNAME="$1" BASEPATH
 
 	BASEPATH="${PATHNAME%/*}"
-	find "$BASEPATH" -maxdepth 1 -path "$PATHNAME" -printf '%m_%u_%g'
+	[ -n "$BASEPATH" ] || return 1
+	find "$BASEPATH/" -maxdepth 1 -path "$PATHNAME" -printf '%m_%u_%g'
 }
 
 control_list()