diff --git a/src/libs/compat/freebsd_network/device.h b/src/libs/compat/freebsd_network/device.h
index 00544d9909..6599d777a6 100644
--- a/src/libs/compat/freebsd_network/device.h
+++ b/src/libs/compat/freebsd_network/device.h
@@ -24,6 +24,9 @@
 
 #include "shared.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 struct root_device_softc {
 	struct pci_info	pci_info;
@@ -83,4 +86,8 @@ void device_sprintf_name(device_t dev, const char *format, ...)
 void ifq_init(struct ifqueue *, const char *);
 void ifq_uninit(struct ifqueue *);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif	/* DEVICE_H */