diff --git a/Makefile b/Makefile
index 4be9e5ed981..4d52a0993dc 100644
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@ SMARTDNS_SPEEDTEST_MODE=ping,tcp:80
 NEWLINE=UNIX
 
 raw:
-	sed -e 's|^server=/\(.*\)/114.114.114.114$$|\1|' accelerated-domains.china.conf | egrep -v '^#' > accelerated-domains.china.raw.txt
-	sed -e 's|^server=/\(.*\)/114.114.114.114$$|\1|' google.china.conf | egrep -v '^#' > google.china.raw.txt
-	sed -e 's|^server=/\(.*\)/114.114.114.114$$|\1|' apple.china.conf | egrep -v '^#' > apple.china.raw.txt
+	sed -e 's|^server=/\(.*\)/114.114.114.114$$|\1|' accelerated-domains.china.conf | grep -Ev '^#' > accelerated-domains.china.raw.txt
+	sed -e 's|^server=/\(.*\)/114.114.114.114$$|\1|' google.china.conf | grep -Ev '^#' > google.china.raw.txt
+	sed -e 's|^server=/\(.*\)/114.114.114.114$$|\1|' apple.china.conf | grep -Ev '^#' > apple.china.raw.txt
 
 dnsmasq: raw
 	sed -e 's|\(.*\)|server=/\1/$(SERVER)|' accelerated-domains.china.raw.txt > accelerated-domains.china.dnsmasq.conf