diff --git a/src/main/flight/airplane_fcs.c b/src/main/flight/airplane_fcs.c
index ee227e97cd..46add8e391 100644
--- a/src/main/flight/airplane_fcs.c
+++ b/src/main/flight/airplane_fcs.c
@@ -1,5 +1,27 @@
+/*
+ * This file is part of Betaflight.
+ *
+ * Betaflight is free software. You can redistribute this software
+ * and/or modify this software under the terms of the GNU General
+ * Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * Betaflight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this software.
+ *
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifdef USE_AIRPLANE_FCS
 
+#include "platform.h"
 #include "fc/rc.h"
 #include "fc/runtime_config.h"
 #include "sensors/acceleration.h"
diff --git a/src/main/flight/airplane_fcs.h b/src/main/flight/airplane_fcs.h
index c9284be675..9de5fe3ee1 100644
--- a/src/main/flight/airplane_fcs.h
+++ b/src/main/flight/airplane_fcs.h
@@ -1,3 +1,24 @@
+/*
+ * This file is part of Betaflight.
+ *
+ * Betaflight is free software. You can redistribute this software
+ * and/or modify this software under the terms of the GNU General
+ * Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * Betaflight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this software.
+ *
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 #include "pid.h"
 void afcsInit(const pidProfile_t *pidProfile);