diff --git a/libraries/Keyboard/src/Keyboard.h b/libraries/Keyboard/src/Keyboard.h
index 761e8fa81..1c728ae9e 100644
--- a/libraries/Keyboard/src/Keyboard.h
+++ b/libraries/Keyboard/src/Keyboard.h
@@ -97,3 +97,4 @@ extern Keyboard_ Keyboard;
 extern HID_ HID;
 
 #endif
+#endif