1 files changed, 5 insertions, 1 deletions

diff --git a/tmk_core/protocol/lufa/outputselect.h b/tmk_core/protocol/lufa/outputselect.h
index 24fe4daa2..7f7ed00b9 100644
--- a/tmk_core/protocol/lufa/outputselect.h
+++ b/tmk_core/protocol/lufa/outputselect.h
@@ -12,6 +12,10 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#pragma once
+
+#include <stdint.h>
+
 enum outputs {
     OUTPUT_AUTO,
 
@@ -37,4 +41,4 @@ enum outputs {
 void    set_output(uint8_t output);
 void    set_output_user(uint8_t output);
 uint8_t auto_detect_output(void);
-uint8_t where_to_send(void);
\ No newline at end of file
+uint8_t where_to_send(void);