diff --git a/lib/libpam/modules/pam_deny/pam_deny.c b/lib/libpam/modules/pam_deny/pam_deny.c
index 7abf9638d289..9127b535ac66 100644
--- a/lib/libpam/modules/pam_deny/pam_deny.c
+++ b/lib/libpam/modules/pam_deny/pam_deny.c
@@ -27,6 +27,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <sys/types.h>
+
 #define PAM_SM_AUTH
 #define PAM_SM_ACCOUNT
 #define PAM_SM_SESSION
diff --git a/lib/libpam/modules/pam_permit/pam_permit.c b/lib/libpam/modules/pam_permit/pam_permit.c
index f0b5de3c61cb..01bceb45a5ba 100644
--- a/lib/libpam/modules/pam_permit/pam_permit.c
+++ b/lib/libpam/modules/pam_permit/pam_permit.c
@@ -27,6 +27,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <sys/types.h>
+
 #define	PAM_SM_AUTH
 #define	PAM_SM_ACCOUNT
 #define	PAM_SM_SESSION