--- a/src/group.h	Sat Jan 12 08:34:16 2008 +0000
+++ b/src/group.h	Sat Jan 12 13:36:22 2008 +0000
@@ -26,7 +26,7 @@
 	bool replace_protection;                ///< If set to true, the global autoreplace have no effect on the group
 	uint16 num_engines[TOTAL_NUM_ENGINES];  ///< Caches the number of engines of each type the player owns (no need to save this)
 
-	Group(StringID str = STR_NULL);
+	Group(PlayerID owner = INVALID_PLAYER);
 	virtual ~Group();
 
 	bool IsValid() const;

--- a/src/group_cmd.cpp	Sat Jan 12 08:34:16 2008 +0000
+++ b/src/group_cmd.cpp	Sat Jan 12 13:36:22 2008 +0000
@@ -45,20 +45,20 @@
 DEFINE_OLD_POOL_GENERIC(Group, Group)
 
 
-Group::Group(StringID str)
+Group::Group(PlayerID owner)
 {
-	this->string_id = str;
+	this->owner = owner;
 }
 
 Group::~Group()
 {
 	DeleteName(this->string_id);
-	this->string_id = STR_NULL;
+	this->owner = INVALID_PLAYER;
 }
 
 bool Group::IsValid() const
 {
-	return this->string_id != STR_NULL;
+	return this->owner != INVALID_PLAYER;
 }
 
 void InitializeGroup(void)
@@ -93,13 +93,12 @@
 
 	AutoPtrT<Group> g_auto_delete;
 
-	Group *g = new Group(STR_EMPTY);
+	Group *g = new Group(_current_player);
 	if (g == NULL) return CMD_ERROR;
 
 	g_auto_delete = g;
 
 	if (flags & DC_EXEC) {
-		g->owner = _current_player;
 		g->replace_protection = false;
 		g->vehicle_type = vt;