diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index 5e549f6..703233a 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -66,6 +66,7 @@
  * PBKDF2    1  0x007C-0x007C
  * HMAC_DRBG 4  0x0003-0x0009
  * CCM       2                  0x000D-0x000F
+ * CMAC      2                  0x0011-0x0013
  *
  * High-level module nr (3 bits - 0x0...-0x7...)
  * Name      ID  Nr of Errors