--- a/tests/tools/Docker/beremiz-sikuli/Dockerfile	Fri Feb 18 14:56:54 2022 +0100
+++ b/tests/tools/Docker/beremiz-sikuli/Dockerfile	Fri Feb 18 15:00:04 2022 +0100
@@ -58,6 +58,9 @@
         twisted nevow autobahn \
         wxPython==4.1.1
 
+# Point to python binary test scripts will use
+ENV BEREMIZPYTHONPATH /home/$UNAME/beremizenv/bin/python
+
 # easy to remember 'do_tests' alias to invoke main makefile
 ARG OWNDIRBASENAME=beremiz
 ENV OWNDIRBASENAME ${OWNDIRBASENAME}