diff --git a/libraries/AP_TECS/AP_TECS.cpp b/libraries/AP_TECS/AP_TECS.cpp
index 93b8d43c8f..6a232882b7 100644
--- a/libraries/AP_TECS/AP_TECS.cpp
+++ b/libraries/AP_TECS/AP_TECS.cpp
@@ -340,8 +340,8 @@ void AP_TECS::_update_speed(float load_factor)
 
     float EAS2TAS = _ahrs.get_EAS2TAS();
     _TAS_dem = _EAS_dem * EAS2TAS;
-    _TASmax   = aparm.airspeed_max * EAS2TAS;
-    _TASmin   = aparm.airspeed_min * EAS2TAS;
+    _TASmax   = airspeed.get_airspeed_max() * EAS2TAS;
+    _TASmin   = airspeed.get_airspeed_min() * EAS2TAS;
 
     if (aparm.stall_prevention) {
         // when stall prevention is active we raise the mimimum
@@ -368,7 +368,7 @@ void AP_TECS::_update_speed(float load_factor)
     // airspeed is not being used and set speed rate to zero
     if (!_ahrs.airspeed_sensor_enabled() || !_ahrs.airspeed_estimate(&_EAS)) {
         // If no airspeed available use average of min and max
-        _EAS = 0.5f * (aparm.airspeed_min.get() + (float)aparm.airspeed_max.get());
+        _EAS = 0.5f * (airspeed.get_airspeed_min() + airspeed.get_airspeed_max());
     }
 
     // Implement a second order complementary filter to obtain a
diff --git a/libraries/AP_TECS/AP_TECS.h b/libraries/AP_TECS/AP_TECS.h
index 673499ab5d..814ec07c78 100644
--- a/libraries/AP_TECS/AP_TECS.h
+++ b/libraries/AP_TECS/AP_TECS.h
@@ -121,6 +121,7 @@ private:
     AP_AHRS &_ahrs;
 
     const AP_Vehicle::FixedWing &aparm;
+    AP_Airspeed airspeed;
 
     // TECS tuning parameters
     AP_Float _hgtCompFiltOmega;