diff --git a/guacamole/Dockerfile b/guacamole/Dockerfile
index c138525fd..af8a74767 100644
--- a/guacamole/Dockerfile
+++ b/guacamole/Dockerfile
@@ -98,9 +98,8 @@ ADD "https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/.templat
 
 # Entrypoint modifications
 ADD "https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/.templates/ha_entrypoint_modif.sh" "/ha_entrypoint_modif.sh"
-RUN sed -i 's|with-contenv|env|g' "/ha_entrypoint_modif.sh"
-RUN sed -i 's|with-contenv|env|g' "/ha_entrypoint.sh"
 RUN chmod 777 /ha_entrypoint.sh /ha_entrypoint_modif.sh && /ha_entrypoint_modif.sh && rm /ha_entrypoint_modif.sh
+RUN ln -sf /usr/bin/env /usr/bin/with-contenv
 
 # Standalone bashio command
 #ADD "https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/.templates/bashio-standalone.sh" "/.bashio-standalone.sh"