diff --git a/lib/gssapi/Makefile.am b/lib/gssapi/Makefile.am
index 6f54e6634..a5b3589ae 100644
--- a/lib/gssapi/Makefile.am
+++ b/lib/gssapi/Makefile.am
@@ -18,6 +18,7 @@ libgssapi_la_SOURCES =		\
 	acquire_cred.c		\
 	add_cred.c		\
 	add_oid_set_member.c	\
+	arcfour.c		\
 	canonicalize_name.c	\
 	cfx.c			\
 	compare_name.c		\
diff --git a/lib/gssapi/krb5/Makefile.am b/lib/gssapi/krb5/Makefile.am
index 6f54e6634..a5b3589ae 100644
--- a/lib/gssapi/krb5/Makefile.am
+++ b/lib/gssapi/krb5/Makefile.am
@@ -18,6 +18,7 @@ libgssapi_la_SOURCES =		\
 	acquire_cred.c		\
 	add_cred.c		\
 	add_oid_set_member.c	\
+	arcfour.c		\
 	canonicalize_name.c	\
 	cfx.c			\
 	compare_name.c		\