diff --git a/lib/krb5/Makefile.am b/lib/krb5/Makefile.am
index 72dc1a765..73f816a9f 100644
--- a/lib/krb5/Makefile.am
+++ b/lib/krb5/Makefile.am
@@ -16,6 +16,7 @@ libkrb5_a_SOURCES = \
 	changepw.c \
 	checksum.c \
 	config_file.c \
+	convert_creds.c \
 	constants.c \
 	context.c \
 	crc.c \
@@ -81,6 +82,8 @@ libkrb5_a_SOURCES = \
 	warn.c \
 	write_message.c
 
+INCLUDES = $(INCLUDE_krb4)
+
 libkrb5_a_LIBADD = ../error/error.o ../error/krb5_err.o \
 	../error/asn1_err.o ../error/hdb_err.o ../error/heim_err.o