diff --git a/lib/gssapi/krb5/gkrb5_err.et b/lib/gssapi/krb5/gkrb5_err.et
index 3dae50753..3c23412a6 100644
--- a/lib/gssapi/krb5/gkrb5_err.et
+++ b/lib/gssapi/krb5/gkrb5_err.et
@@ -28,3 +28,4 @@ error_code KG_CONTEXT_ESTABLISHED, "Context is already fully established"
 error_code KG_BAD_SIGN_TYPE, "Unknown signature type in token"
 error_code KG_BAD_LENGTH, "Invalid field length in token"
 error_code KG_CTX_INCOMPLETE, "Attempt to use incomplete security context"
+error_code KG_INPUT_TOO_LONG, "Input too long"