diff --git a/supplemental/scripts/install-agent-brew.sh b/supplemental/scripts/install-agent-brew.sh
index 139b4c7..25add55 100755
--- a/supplemental/scripts/install-agent-brew.sh
+++ b/supplemental/scripts/install-agent-brew.sh
@@ -67,7 +67,7 @@ fi
 mkdir -p ~/.config/beszel ~/.cache/beszel
 
 echo "KEY=\"$KEY\"" >~/.config/beszel/beszel-agent.env
-echo "PORT=$PORT" >>~/.config/beszel/beszel-agent.env
+echo "LISTEN=$PORT" >>~/.config/beszel/beszel-agent.env
 
 brew tap henrygd/beszel
 brew install beszel-agent