diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
index e23b0f2..8c0b5d9 100644
--- a/include/configs/xilinx_zynqmp.h
+++ b/include/configs/xilinx_zynqmp.h
@@ -21,7 +21,9 @@
 #define GICC_BASE	0xF9020000
 
 #define CONFIG_SYS_ALT_MEMTEST
-#define CONFIG_SYS_MEMTEST_SCRATCH	0xfffc0000
+#ifndef CONFIG_SYS_MEMTEST_SCRATCH
+# define CONFIG_SYS_MEMTEST_SCRATCH	0x10800000
+#endif
 
 #ifndef CONFIG_NR_DRAM_BANKS
 # define CONFIG_NR_DRAM_BANKS		2