diff --git a/mailchimp.sh b/mailchimp.sh
index 3fac0df..aea7df3 100755
--- a/mailchimp.sh
+++ b/mailchimp.sh
@@ -5,7 +5,7 @@
 source credentials.sh
 
 user="bij1:${MAILCHIMP_API_KEY}"
-dc='us16'
+dc=$(echo $MAILCHIMP_API_KEY | sed 's/.*-//g')
 base="https://${dc}.api.mailchimp.com/3.0/"
 
 # get lists