diff --git a/lib/krb5/krb5_err.et b/lib/krb5/krb5_err.et
index ca699ec02..a2e93c821 100644
--- a/lib/krb5/krb5_err.et
+++ b/lib/krb5/krb5_err.et
@@ -70,24 +70,31 @@ error_code FIELD_TOOLONG,	"Field is too long for this implementation"
 
 # pkinit
 index 62
-prefix KDC_ERROR
+prefix KRB5_KDC_ERR
 error_code CLIENT_NOT_TRUSTED,	"Client not trusted"
 error_code KDC_NOT_TRUSTED,	"KDC not trusted"
 error_code INVALID_SIG,		"Invalid signature"
 error_code KEY_TOO_WEAK,	"Key too weak"
 error_code CERTIFICATE_MISMATCH, "Certificate mismatch"
+
 prefix KRB5_AP_ERR
 error_code USER_TO_USER_REQUIRED, "User to user required"
-prefix KDC_ERROR
+
+index 70
+prefix KRB5_KDC_ERR
 error_code CANT_VERIFY_CERTIFICATE, "Cannot verify certificate"
 error_code INVALID_CERTIFICATE,	"Invalid certificate"
 error_code REVOKED_CERTIFICATE,	"Revoked certificate"
-error_code REVOCATION_STATUS_UNKNOWN,	"Revocation status unknown"
-error_code REVOCATION_STATUS_UNAVAILABLE,"Revocation status unavailable"
+error_code REVOCATION_STATUS_UNKNOWN, "Revocation status unknown"
+error_code REVOCATION_STATUS_UNAVAILABLE, "Revocation status unknown"
 error_code CLIENT_NAME_MISMATCH,	"Client name mismatch"
 error_code KDC_NAME_MISMATCH,	"KDC name mismatch"
 
-# 77-127 are reserved
+# 77-79 are reserved
+
+# 80-81 is IAKERB errors
+
+# 82-127 are reserved
 
 index 128
 prefix