diff --git a/ceasiompy/PyAVL/func/avlconfig.py b/ceasiompy/PyAVL/func/avlconfig.py
index 555b27a56..7c7d64c3f 100644
--- a/ceasiompy/PyAVL/func/avlconfig.py
+++ b/ceasiompy/PyAVL/func/avlconfig.py
@@ -121,7 +121,7 @@ def write_command_file(
                 ]
             )
             command_file.write("x\n")
-            for force_file in ["ft", "fn", "fs", "fe", "st"]:
+            for force_file in ["ft", "fn", "fs", "fe", "st", "sb"]:
                 command_file.write(force_file + "\n")
                 command_file.write(force_file + ".txt\n")
             command_file.write("\n\n\n")