diff --git a/xo-interpreter2/src/skrepl/skreplxx.cpp b/xo-interpreter2/src/skrepl/skreplxx.cpp
index bb7fc2e5..92d9f883 100644
--- a/xo-interpreter2/src/skrepl/skreplxx.cpp
+++ b/xo-interpreter2/src/skrepl/skreplxx.cpp
@@ -250,6 +250,8 @@ main (int argc, char * argv[])
     AppConfig cfg;
     // [cmdline options here]
 
+    cfg.vsm_config_.x1_config_.debug_flag_ = true;
+
     App app(cfg);
 
     app.run();