diff --git a/include/polarssl/error.h b/include/polarssl/error.h
index 32dc0a7..a084243 100644
--- a/include/polarssl/error.h
+++ b/include/polarssl/error.h
@@ -55,6 +55,7 @@
  * CAMELLIA  2  0x0024-0x0026
  * XTEA      1  0x0028-0x0028
  * BASE64    2  0x002A-0x002C
+ * OID       1  0x002E-0x002E
  * PADLOCK   1  0x0030-0x0030
  * DES       1  0x0032-0x0032
  * CTR_DBRG  3  0x0034-0x003A