diff --git a/tmk_core/common/action.h b/tmk_core/common/action.h
index 84201897..21b19652 100644
--- a/tmk_core/common/action.h
+++ b/tmk_core/common/action.h
@@ -22,6 +22,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "keyboard.h"
 #include "keycode.h"
 #include "action_code.h"
+#include "action_layer.h"
 #include "action_macro.h"