diff --git a/engine/common/cvar.c b/engine/common/cvar.c
index b63931b18..0d17065b3 100644
--- a/engine/common/cvar.c
+++ b/engine/common/cvar.c
@@ -119,8 +119,9 @@ cvar_group_t *Cvar_GetGroup(const char *gname)
 	if (g)
 		return g;
 
-	g = (cvar_group_t*)Z_Malloc(sizeof(cvar_group_t));
-	g->name = (char*)gname;
+	g = (cvar_group_t*)Z_Malloc(sizeof(cvar_group_t) + strlen(gname)+1);
+	g->name = (char*)(g+1);
+	strcpy(g->name, gname);
 	g->next = NULL;
 	g->next = cvar_groups;
 	cvar_groups = g;
diff --git a/engine/common/protocol.h b/engine/common/protocol.h
index 54afa632b..ddfef43f2 100644
--- a/engine/common/protocol.h
+++ b/engine/common/protocol.h
@@ -62,6 +62,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #define PEXT_DPFLAGS			0x80000000	//extra flags for viewmodel/externalmodel and possible other persistant style flags.
 
+#ifdef CSQC_DAT
+#define PEXT_BIGUSERINFOS	PEXT_CSQC
+#else
+#define PEXT_BIGUSERINFOS	0xffffffff
+#endif		
 
 //ZQuake transparent protocol extensions.
 #define Z_EXT_PM_TYPE		(1<<0)	// basic PM_TYPE functionality (reliable jump_held)