diff --git a/Libraries/MAXUSB/include/core/maxq/usbio_maxq.h b/Libraries/MAXUSB/include/core/maxq/usbio_maxq.h
index 3243e9120a0..da311920527 100644
--- a/Libraries/MAXUSB/include/core/maxq/usbio_maxq.h
+++ b/Libraries/MAXUSB/include/core/maxq/usbio_maxq.h
@@ -45,5 +45,6 @@ int usbio_writefifo(unsigned int reg, uint8_t *data, unsigned int num);
 
 #ifdef __cplusplus
 }
+#endif
 
 #endif //LIBRARIES_MAXUSB_INCLUDE_CORE_MAXQ_USBIO_MAXQ_H_