diff --git a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
index 5a39781430..9df9bda71b 100755
--- a/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
+++ b/libraries/input-plugins/src/input-plugins/KeyboardMouseDevice.cpp
@@ -200,9 +200,9 @@ void KeyboardMouseDevice::touchGestureEvent(const QGestureEvent* event) {
                 break;
 
             case Qt::GestureUpdated: {
-                const float PINCH_DELTA_STEP = 0.05f;
+                const float PINCH_DELTA_STEP = 0.04f;
                 qreal totalScaleFactor = pinchGesture->totalScaleFactor();
-                qreal scaleFactorDelta = totalScaleFactor - _lastTotalScaleFactor;
+                qreal scaleFactorDelta = _lastTotalScaleFactor - totalScaleFactor;
                 _inputDevice->_axisStateMap[_inputDevice->makeInput(TOUCH_GESTURE_PINCH_POS).getChannel()].value = scaleFactorDelta > 0.0 ? PINCH_DELTA_STEP : 0.0f;
                 _inputDevice->_axisStateMap[_inputDevice->makeInput(TOUCH_GESTURE_PINCH_NEG).getChannel()].value = scaleFactorDelta < 0.0 ? PINCH_DELTA_STEP : 0.0f;
                 _lastTotalScaleFactor = totalScaleFactor;