diff --git a/tools/ido_block_numbers.py b/tools/ido_block_numbers.py
index f45bb9745d..a3650e4dff 100755
--- a/tools/ido_block_numbers.py
+++ b/tools/ido_block_numbers.py
@@ -538,7 +538,7 @@ def main():
             file=sys.stderr,
         )
         sys.exit(1)
-    print(f"Compiler command: {shlex.join(compiler_command_line)}", file=sys.stderr)
+    print(f"Compiler command: {shlex.join(command_line)}", file=sys.stderr)
 
     symbol_table, ucode = run_cfe(command_line, args.keep_files)
     print_symbol_table(symbol_table)