diff --git a/include/nuttx/ioexpander/gpio.h b/include/nuttx/ioexpander/gpio.h
index ccb67de09f..f54f68cfd4 100644
--- a/include/nuttx/ioexpander/gpio.h
+++ b/include/nuttx/ioexpander/gpio.h
@@ -150,7 +150,7 @@ struct gpio_dev_s
    * driver when gpio_pin_register() is called.
    */
 
-  uint8_t gp_pintype;  /* See enum gpio_pintype_e */;
+  uint8_t gp_pintype;  /* See enum gpio_pintype_e */
 
   /* Writable storage used by the upper half driver */