diff --git a/include/configs/omap3_zoom2.h b/include/configs/omap3_zoom2.h
index 2a56182..7133037 100644
--- a/include/configs/omap3_zoom2.h
+++ b/include/configs/omap3_zoom2.h
@@ -200,7 +200,7 @@
 
 #define CONFIG_SYS_PROMPT		"OMAP3 Zoom2 # "
 #define CONFIG_SYS_LONGHELP
-#define CONFIG_SYS_CBSIZE		256
+#define CONFIG_SYS_CBSIZE		512
 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
 					 sizeof(CONFIG_SYS_PROMPT) + 16)
 #define CONFIG_SYS_MAXARGS		16