diff --git a/Quake/main.c b/Quake/main.c
index e2f26440..8d9e77fc 100644
--- a/Quake/main.c
+++ b/Quake/main.c
@@ -22,7 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <stdio.h>
 #include "quakedef.h"
 
-#define DEFAULT_MEMORY 0x2000000
+#define DEFAULT_MEMORY 0x4000000
 
 int main(int argc, char *argv[])
 {