diff --git a/include/option.sh b/include/option.sh
index 976e604e..a764bc33 100755
--- a/include/option.sh
+++ b/include/option.sh
@@ -44,7 +44,10 @@ scan_config()
 	    "${_fail}" "scan_config ${confdir}: Cannot concatenate files"
 	while read -r line ; do
 		set ${line} 1>/dev/null 2>/dev/null || :
-		[ "${1%:}" = "depend" ] && depend="${depend} ${2}" && continue
+		if [ "${1%:}" = "depend" ]; then
+			depend="${depend} ${2}"
+			continue
+		fi
 		eval "${1%:}=\"${2}\""
 	done << EOF
 	$(eval "awk '${awkstr}' \"${revfile}\"")