- (dtucker) [auth-shadow.c auth.h] Provide warnings of impending account or
   password expiry.  ok djm@
diff --git a/auth.h b/auth.h
index a8f61f4..de2222a 100644
--- a/auth.h
+++ b/auth.h
@@ -123,6 +123,7 @@
 #endif /* KRB5 */
 
 #if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
+#include <shadow.h>
 int auth_shadow_acctexpired(struct spwd *);
 int auth_shadow_pwexpired(Authctxt *);
 #endif