diff --git a/Dockerfile b/Dockerfile
index d777ff1..4646915 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -217,7 +217,7 @@ RUN touch /etc/inspircd/oper.motd.txt
 RUN openssl genrsa -out /etc/ssl/inspircd/server.key
 
 RUN openssl req -new -key /etc/ssl/inspircd/server.key -out /etc/ssl/inspircd/server.csr \
-    -subj "/C=US/ST=Washington/L=Seattle/O=LameNetwork/OU=IT Department/CN=$SERVER_NAME"
+    -subj "/C=US/ST=Washington/L=Seattle/O=LameNetwork/OU=IT Department/CN=$BUILD_SERVER_NAME"
 
 RUN openssl x509 -req -days 365 -in /etc/ssl/inspircd/server.csr -signkey /etc/ssl/inspircd/server.key -out /etc/ssl/inspircd/server.crt