diff --git a/README.md b/README.md
index b5842cb..c7575c2 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ PORT=3000
 # Redis database to store the last number and its sender
 REDIS_URL=redis://…
 # App config. Obtained from the "Basic Information" page of your app.
-SLACK_CLIENT_BOT_TOKEN=xoxb-…
+SLACK_BOT_TOKEN=xoxb-…
 SLACK_VERIFICATION_TOKEN=xxxx…
 # The channel where Jia should validate counted numbers in.
 SLACK_CHANNEL_ID=C…
diff --git a/pkg/jia/config.go b/pkg/jia/config.go
index 418694d..f4dd833 100644
--- a/pkg/jia/config.go
+++ b/pkg/jia/config.go
@@ -15,7 +15,7 @@ type Config struct {
 
 func NewConfig() *Config {
 	return &Config{
-		BotToken:          getEnv("SLACK_CLIENT_BOT_TOKEN", ""),
+		BotToken:          getEnv("SLACK_BOT_TOKEN", ""),
 		ChannelID:         getEnv("SLACK_CHANNEL_ID", ""),
 		Port:              getEnvAsInt("PORT", 3000),
 		RedisURL:          getEnv("REDIS_URL", "redis://localhost:6379/0"),