diff --git a/src/Main/fg_commands.cxx b/src/Main/fg_commands.cxx
index 6494a8f0d..d8764c17b 100644
--- a/src/Main/fg_commands.cxx
+++ b/src/Main/fg_commands.cxx
@@ -778,10 +778,12 @@ do_presets_commit (const SGPropertyNode * arg)
 
     globals->get_tile_mgr()->update( fgGetDouble("/environment/visibility-m") );
 
+#if 0
     if ( ! fgGetBool("/sim/presets/onground") ) {
         fgSetBool( "/sim/freeze/master", true );
         fgSetBool( "/sim/freeze/clock", true );
     }
+#endif
 
     return true;
 }