diff --git a/lib/krb5/Makefile.am b/lib/krb5/Makefile.am
index 584d049f6..17b9c365e 100644
--- a/lib/krb5/Makefile.am
+++ b/lib/krb5/Makefile.am
@@ -49,6 +49,7 @@ libkrb5_la_SOURCES = \
 	creds.c \
 	crypto.c \
 	data.c \
+	eai_to_heim_errno.c \
 	expand_hostname.c \
 	fcache.c \
 	free.c \