diff --git a/portfolio_server/systemd/portfolio.service b/portfolio_server/systemd/portfolio.service
index 0671fbc..e6de599 100644
--- a/portfolio_server/systemd/portfolio.service
+++ b/portfolio_server/systemd/portfolio.service
@@ -8,7 +8,8 @@ After=network-online.target
 Type=simple
 User=deno
 WorkingDirectory=/srv/portfolio
-ExecStart=PORT=6363 /usr/local/bin/deno task serve
+Environment=PORT=6363
+ExecStart=/usr/local/bin/deno task serve
 Restart=on-failure
 
 [Install]