diff --git a/programs/cmm/rb/rb.c b/programs/cmm/rb/rb.c
index adb43f9b95..34716c8ab3 100644
--- a/programs/cmm/rb/rb.c
+++ b/programs/cmm/rb/rb.c
@@ -1,6 +1,6 @@
 //@RB - v0.62 
 
-#define MEMSIZE 0x3000
+#define MEMSIZE 0x4000
 #include "..\lib\kolibri.h" 
 #include "..\lib\strings.h"
 #include "..\lib\figures.h"