diff --git a/package/docker/entrypoint.sh b/package/docker/entrypoint.sh
index afaa8262..8f6e3e86 100644
--- a/package/docker/entrypoint.sh
+++ b/package/docker/entrypoint.sh
@@ -33,7 +33,7 @@ fi
 
 if [ ${KEEWEB_CONFIG_URL} ]
 then
-  sed -i /\(no content\)/${KEEWEB_CONFIG_URL}/g keeweb/index.html
+  sed -i "s,(no-config),${KEEWEB_CONFIG_URL}," keeweb/index.html
 fi
 
 # exec CMD