diff --git a/Projects/Superalgos/UI/Spaces/Charting-Space/Scales/TimeFrameScale.js b/Projects/Superalgos/UI/Spaces/Charting-Space/Scales/TimeFrameScale.js
index 3730a8a2f..81d7e9c4b 100644
--- a/Projects/Superalgos/UI/Spaces/Charting-Space/Scales/TimeFrameScale.js
+++ b/Projects/Superalgos/UI/Spaces/Charting-Space/Scales/TimeFrameScale.js
@@ -261,9 +261,9 @@ function newTimeFrameScale() {
                 }
             } else {
                 if (event.shiftKey === true) {
-                    sensitivity = MAC_SCROLL_SENSITIVITY * 2
+                    sensitivity = MAC_ZOOM_SENSITIVITY
                 } else {
-                    sensitivity = MAC_ZOOM_SENSITIVITY * 2
+                    sensitivity = MAC_SCROLL_SENSITIVITY
                 }
                 if (wheelDeltaDirection === 1) {
                     wheelDeltaCounter++