diff --git a/src/Aircraft/aircraft.cxx b/src/Aircraft/aircraft.cxx
index 6679d6486..ac0a8fb16 100644
--- a/src/Aircraft/aircraft.cxx
+++ b/src/Aircraft/aircraft.cxx
@@ -138,7 +138,7 @@ void fgReadAircraft(void) {
    globals->get_commands()->addCommand("load-aircraft", fgLoadAircraft);
 }
 
-static inline bool
+bool
 fgLoadAircraft (const SGPropertyNode * arg)
 {
     static const SGPropertyNode *master_freeze