diff --git a/flash.h b/flash.h
index ccb3665..a4822e8 100644
--- a/flash.h
+++ b/flash.h
@@ -79,7 +79,7 @@
 #define MSYSTEMS_MD2800   0x30	/* hmm -- both 0x30 */
 #define MSYSTEMS_MD2802   0x30	/* hmm -- both 0x30 */
 
-#define SM_ID		  0x40  /* SyncMOS ID */
+#define SYNCMOS_ID	  0x40  /* SyncMOS ID */
 #define S29C51001T	  0x01  /* SyncMOS S29C51001T/B */
 #define S29C51002T	  0x02  /* SyncMOS S29C51002T/B */
 #define S29C51004T	  0x03  /* SyncMOS S29C51004T/B */