diff --git a/ArduCopter/arming_checks.cpp b/ArduCopter/AP_Arming.cpp
similarity index 100%
rename from ArduCopter/arming_checks.cpp
rename to ArduCopter/AP_Arming.cpp
diff --git a/ArduCopter/arming_checks.h b/ArduCopter/AP_Arming.h
similarity index 100%
rename from ArduCopter/arming_checks.h
rename to ArduCopter/AP_Arming.h
diff --git a/ArduCopter/Copter.h b/ArduCopter/Copter.h
index df6da75a64..7f5440a555 100644
--- a/ArduCopter/Copter.h
+++ b/ArduCopter/Copter.h
@@ -98,7 +98,7 @@
 
 #include "GCS_Mavlink.h"
 #include "AP_Rally.h"           // Rally point library
-#include "arming_checks.h"
+#include "AP_Arming.h"
 
 // libraries which are dependent on #defines in defines.h and/or config.h
 #if SPRAYER == ENABLED