diff --git a/tp_herwig/Dockerfile b/tp_herwig/Dockerfile
index 496b1c8a691a19be97d222f199136c818e63036c..f89a65444e803c03192670e35232ba5cbeca507b 100644
--- a/tp_herwig/Dockerfile
+++ b/tp_herwig/Dockerfile
@@ -1,8 +1,8 @@
-FROM hepstore/rivet-herwig:latest as herwig
-WORKDIR /herwig
+FROM jeppelt/etp_tp:latest
 
-FROM jeppelt/etp_basis:latest
-COPY --from=herwig /herwig .
+USER root
 
 RUN python3 -m pip install bash_kernel
 
+USER $NBUSER
+