diff --git a/ArduCopter/Parameters.pde b/ArduCopter/Parameters.pde
index 355f084e01..0923d2548b 100644
--- a/ArduCopter/Parameters.pde
+++ b/ArduCopter/Parameters.pde
@@ -451,7 +451,7 @@ const AP_Param::Info var_info[] PROGMEM = {
     // @Description: Allows setting the maximum acceptable compass and velocity variance (0 to disable check)
     // @Values: 0:Disabled, 0.6:Default, 1.0:Relaxed
     // @User: Advanced
-    GSCALAR(ekfcheck_thresh, "EKFCHECK_THRESH", EKFCHECK_THRESHOLD_DEFAULT),
+    GSCALAR(ekfcheck_thresh, "EKF_CHECK_THRESH",    EKFCHECK_THRESHOLD_DEFAULT),
 
 #if FRAME_CONFIG ==     HELI_FRAME
     // @Group: HS1_