diff --git a/free_games_claimer/Dockerfile b/free_games_claimer/Dockerfile
index da882dbf2..878699d50 100644
--- a/free_games_claimer/Dockerfile
+++ b/free_games_claimer/Dockerfile
@@ -33,9 +33,9 @@ RUN \
     # Run scripts only once
     sed -i "1a if [ ! -f /done ]; then /./entrypoint.sh; fi & touch /done" /usr/local/bin/docker-entrypoint.sh && \
     # Choose elements to run
-    sed -i "s|"$@"|"$(bashio::config 'CMD_ARGUMENTS')"|g /usr/local/bin/docker-entrypoint.sh && \
+    sed -i 's|"$@"|"$(bashio::config "CMD_ARGUMENTS")"|g' /usr/local/bin/docker-entrypoint.sh && \
     # Run with bashio
-    sed -i "s|#!/bin/bash|#!/usr/bin/env bashio|g /usr/local/bin/docker-entrypoint.sh
+    sed -i 's|#!/bin/bash|#!/usr/bin/env bashio|g' /usr/local/bin/docker-entrypoint.sh
 
 # Define subreaper
 ENV TINI_SUBREAPER=true