diff --git a/src/Main/options.cxx b/src/Main/options.cxx
index 30ef030..eb1b276 100644
--- a/src/Main/options.cxx
+++ b/src/Main/options.cxx
@@ -1809,7 +1809,7 @@ struct OptionDesc {
     {"ttsurl",        true, OPTION_STRING, "/sim/sound/ttsurl", false, "", 0 },
     {"hidemenu",        false, OPTION_BOOL, "/sim/menubar/visibility", false, "", nullptr },
     {"showmenu",        false, OPTION_BOOL, "/sim/menubar/visibility", true, "", nullptr },
-    {"global",          true,  OPTION_BOOL, "/sim/terrasync/global", false, "", nullptr },
+    {"global",          false,  OPTION_BOOL, "/sim/terrasync/global", true, "", nullptr },
 
     {"language",                     true,  OPTION_IGNORE, "", false, "", 0 },
     {"console",                      false, OPTION_FUNC,   "", false, "", fgOptConsole },