diff --git a/Autopilot/autopilot.c b/Autopilot/autopilot.c
index 78dccb3bb..3d4d0b98b 100644
--- a/Autopilot/autopilot.c
+++ b/Autopilot/autopilot.c
@@ -24,7 +24,9 @@
  **************************************************************************/
 
 
-#include <config.h>
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
 
 #include <assert.h>
 #include <stdlib.h>