diff --git a/sv_sys_win.c b/sv_sys_win.c
index 97486957e..1f5a0fdec 100644
--- a/sv_sys_win.c
+++ b/sv_sys_win.c
@@ -738,7 +738,7 @@ int main(int ac, char *av[])
 
 	GetConsoleTitle(title, sizeof(title));
 
-	Host_Init(argc, argv, DEFAULT_MEM_SIZE);
+	Host_Init(argc, argv, 256 * 1024 * 1024);
 
 	// run one frame immediately for first heartbeat
 	SV_Frame (0.1);
diff --git a/sys_posix.c b/sys_posix.c
index 58ac7fd2e..ab3a4f143 100644
--- a/sys_posix.c
+++ b/sys_posix.c
@@ -335,7 +335,7 @@ int main(int argc, char **argv)
 	if (COM_CheckParm(cmdline_param_client_nostdoutput))
 		sys_nostdout.value = 1;
 
-	Host_Init (argc, argv, 128 * 1024 * 1024);
+	Host_Init (argc, argv, 256 * 1024 * 1024);
 
 	oldtime = Sys_DoubleTime ();
 	while (1) {