diff --git a/src/include/memory_info.h b/src/include/memory_info.h
index 1b30702c33..5976e319f8 100644
--- a/src/include/memory_info.h
+++ b/src/include/memory_info.h
@@ -19,7 +19,7 @@
 #include <stdint.h>
 
 #define DIMM_INFO_SERIAL_SIZE		4
-#define DIMM_INFO_PART_NUMBER_SIZE	21
+#define DIMM_INFO_PART_NUMBER_SIZE	33
 #define DIMM_INFO_TOTAL			8	/* Maximum num of dimm is 8 */
 
 /**