diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index c3b0b15..3dd90a9 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -62,7 +62,7 @@
  * DES       1  0x0032-0x0032
  * CTR_DBRG  4  0x0034-0x003A
  * ENTROPY   3  0x003C-0x0040
- * NET       9  0x0042-0x0052
+ * NET       9  0x0042-0x0052   0x0043-0x0043
  * ENTROPY   1  0x0058-0x0058
  * ASN1      7  0x0060-0x006C
  * MD2       1  0x0070-0x0070