diff --git a/entrypoint.sh b/entrypoint.sh
index ef7e582..2c1c657 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # replace localhost:8080 with {{.Host}}:UI_PORT in /foxglove/default-layout.json file
-sed -i 's|localhost:8080|{{.Host}}:{{env "UI_PORT"}}|g' /foxglove/default-layout.json
+sed -i "s|localhost:8080|{{.Host}}:${UI_PORT}|g" /foxglove/default-layout.json
 
 # Optionally override the default layout with one provided via bind mount
 index_html=$(cat index.html)