diff --git a/cert-functions.sh b/cert-functions.sh
index 1077b18..ddb61fb 100644
--- a/cert-functions.sh
+++ b/cert-functions.sh
@@ -103,7 +103,7 @@ function make_server_cert() {
             -newkey rsa:4096 \
             -keyout "$CERT_DIR/${CERT_NAME}_key.pem" \
             -nodes \
-            -subj "/CN=${CERT_NAME}.blob.core.windows.net" \
+            -subj "/CN=${CERT_SUBJECT_NAME}" \
             -addext "basicConstraints=critical,CA:FALSE" \
             -addext "keyUsage=digitalSignature,keyEncipherment" \
             -addext "extendedKeyUsage=serverAuth,clientAuth" \