diff -r a3177042863d -r b3d458a90aeb src/Pure/ML/ml_console.scala
--- a/src/Pure/ML/ml_console.scala	Fri Dec 16 17:02:10 2022 +0100
+++ b/src/Pure/ML/ml_console.scala	Fri Dec 16 17:30:29 2022 +0100
@@ -48,7 +48,6 @@
       if (more_args.nonEmpty) getopts.usage()
 
 
-      val sessions_structure = Sessions.load_structure(options, dirs = dirs)
       val store = Sessions.store(options)
 
       // build logic
@@ -61,16 +60,23 @@
         if (rc != Process_Result.RC.ok) sys.exit(rc)
       }
 
+      val base_info =
+        if (raw_ml_system) {
+          Sessions.Base_Info(
+            base = Sessions.Base.bootstrap,
+            sessions_structure = Sessions.load_structure(options, dirs = dirs))
+        }
+        else {
+          Sessions.base_info(
+            options, logic, dirs = dirs, include_sessions = include_sessions).check_errors
+        }
+
       // process loop
       val process =
-        ML_Process(options, sessions_structure, store,
+        ML_Process(options, base_info, store,
           logic = logic, args = List("-i"), redirect = true,
           modes = if (raw_ml_system) Nil else modes ::: List("ASCII"),
-          raw_ml_system = raw_ml_system,
-          session_base =
-            if (raw_ml_system) None
-            else Some(Sessions.base_info(
-              options, logic, dirs = dirs, include_sessions = include_sessions).check_errors.base))
+          raw_ml_system = raw_ml_system)
 
       POSIX_Interrupt.handler { process.interrupt() } {
         new TTY_Loop(process.stdin, process.stdout).join()