diff --git a/include/configs/mx31pdk.h b/include/configs/mx31pdk.h
index 4da6020c8c..49d440b9ae 100644
--- a/include/configs/mx31pdk.h
+++ b/include/configs/mx31pdk.h
@@ -141,7 +141,7 @@
 
 /* memtest works on */
 #define CONFIG_SYS_MEMTEST_START	0x80000000
-#define CONFIG_SYS_MEMTEST_END		0x10000
+#define CONFIG_SYS_MEMTEST_END		0x80010000
 
 /* default load address */
 #define CONFIG_SYS_LOAD_ADDR		0x81000000