diff --git a/lib/gssapi/spnego/spnego_locl.h b/lib/gssapi/spnego/spnego_locl.h
index 9e0bd421e..57187d1ef 100644
--- a/lib/gssapi/spnego/spnego_locl.h
+++ b/lib/gssapi/spnego/spnego_locl.h
@@ -57,6 +57,10 @@
 #include <string.h>
 #include <errno.h>
 #include <ctype.h>
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+
 #include <heim_threads.h>
 #include <asn1_err.h>