diff --git a/lib/ipmi_raw.c b/lib/ipmi_raw.c
index 6959c1f..51464ad 100644
--- a/lib/ipmi_raw.c
+++ b/lib/ipmi_raw.c
@@ -130,7 +130,7 @@ ipmi_master_write_read(struct ipmi_intf * intf, uint8_t bus, uint8_t addr,
 	return rsp;
 }
 
-#define RAW_SPD_SIZE	256
+#define RAW_SPD_SIZE	512
 
 int
 ipmi_rawspd_main(struct ipmi_intf * intf, int argc, char ** argv)