diff --git a/libraries/AP_GPS/GPS.h b/libraries/AP_GPS/GPS.h
index 80dab7fe47..55c9dc8c03 100644
--- a/libraries/AP_GPS/GPS.h
+++ b/libraries/AP_GPS/GPS.h
@@ -163,7 +163,7 @@ private:
 	/// 1200ms allows a small amount of slack over the worst-case 1Hz update
 	/// rate.
 	///
-	static unsigned long	_idleTimeout;
+	unsigned long	_idleTimeout;
 
 
 	/// Our current status