diff --git a/nginx/Dockerfile b/nginx/Dockerfile
index 2b198fb1ab..e6b62452ba 100644
--- a/nginx/Dockerfile
+++ b/nginx/Dockerfile
@@ -8,4 +8,4 @@ COPY start.sh /start.sh
 
 STOPSIGNAL SIGQUIT
 
-CMD /start.sh
+ENTRYPOINT ["start.sh"]
diff --git a/nginx/start.sh b/nginx/start.sh
index 911eab2b1d..8fd0437525 100755
--- a/nginx/start.sh
+++ b/nginx/start.sh
@@ -1,12 +1,12 @@
-#! /bin/bash
+#! /bin/sh
 set -e
 
-export IMMICH_WEB_URL=${IMMICH_WEB_URL:-http://immich-web:3000}
+export IMMICH_WEB_URL="${IMMICH_WEB_URL:-http://immich-web:3000}"
 IMMICH_WEB_SCHEME=$(echo "$IMMICH_WEB_URL" | grep -Eo '^https?://' || echo "http://")
 export IMMICH_WEB_SCHEME
 IMMICH_WEB_HOST=$(echo "$IMMICH_WEB_URL" | cut -d '/' -f 3)
 export IMMICH_WEB_HOST
-export IMMICH_SERVER_URL=${IMMICH_SERVER_URL:-http://immich-server:3001}
+export IMMICH_SERVER_URL="${IMMICH_SERVER_URL:-http://immich-server:3001}"
 IMMICH_SERVER_SCHEME=$(echo "$IMMICH_WEB_URL" | grep -Eo '^https?://' || echo "http://")
 export IMMICH_SERVER_SCHEME
 IMMICH_SERVER_HOST=$(echo "$IMMICH_SERVER_URL" | cut -d '/' -f 3)