diff --git a/jtagmkII_private.h b/jtagmkII_private.h
index 59c7a0fb..0cd45a75 100644
--- a/jtagmkII_private.h
+++ b/jtagmkII_private.h
@@ -110,6 +110,7 @@
 #define CMND_WRITE_SAB 0x28
 #define CMND_READ_SAB 0x29
 #define CMND_RESET_AVR 0x2B
+#define CMND_READ_MEMORY32 0x2C
 #define CMND_WRITE_MEMORY32 0x2D