diff --git a/bin/03_compare_lists.bat b/bin/03_compare_lists.bat
index be5b9d4..791f216 100644
--- a/bin/03_compare_lists.bat
+++ b/bin/03_compare_lists.bat
@@ -1,5 +1,7 @@
-call cremig_setenv.bat
 @echo off
-call %CREMIG%\.venv\Scripts\activate.bat
+CALL cremig_setenv.bat
+IF NOT EXIST %CREMIG%\.venv CALL %CREMIG_BIN%\install_py.bat
+IF NOT EXIST %CREMIG_DATA%\%RD_DATABASE_NAME% CALL %CREMIG_BIN%\01_get_rd_dbase.bat
+CALL %CREMIG%\.venv\Scripts\activate.bat
 python %CREMIG_LIB%\compare_lists.py %*
 deactivate