diff --git a/lib/krb5/Makefile.am b/lib/krb5/Makefile.am
index ad009181b..e302c7825 100644
--- a/lib/krb5/Makefile.am
+++ b/lib/krb5/Makefile.am
@@ -280,6 +280,8 @@ EXTRA_DIST = \
 
 krb5_err.h: krb5_err.et
 
+krb_err.h: krb_err.et
+
 heim_err.h: heim_err.et
 
 k524_err.h: k524_err.et