diff --git a/Source/SeaBASSHeaderWindow.py b/Source/SeaBASSHeaderWindow.py
index 2e44d6a..e1690fa 100644
--- a/Source/SeaBASSHeaderWindow.py
+++ b/Source/SeaBASSHeaderWindow.py
@@ -570,7 +570,10 @@ def configUpdateButtonPressed(self, caller):
         else:
             NegativeFilt = "Off"
 
-        MainConfig.loadConfig('main.config','version')
+        if os.environ["HYPERINSPACE_CMD"]:
+            MainConfig.loadConfig('cmdline_main.config','version')
+        else:
+            MainConfig.loadConfig('main.config','version')
         SeaBASSHeader.settings["comments"] =\
             f'! HyperInSPACE vers = {MainConfig.settings["version"]}\n'+\
             f'! HyperInSPACE Config = {ConfigFile.filename}\n'+\