diff --git a/lib/gssapi/test_acquire_cred.c b/lib/gssapi/test_acquire_cred.c
index e7667a516..632a92495 100644
--- a/lib/gssapi/test_acquire_cred.c
+++ b/lib/gssapi/test_acquire_cred.c
@@ -40,6 +40,8 @@
 #include <string.h>
 #include <stdarg.h>
 #include <gssapi.h>
+#include <gssapi_krb5.h>
+#include <gssapi_spnego.h>
 #include <err.h>
 #include <roken.h>
 #include <getarg.h>