diff --git a/CanvasApp/ChartingSpace/Viewport.js b/CanvasApp/ChartingSpace/Viewport.js
index 4a432ac99..84104e0ee 100644
--- a/CanvasApp/ChartingSpace/Viewport.js
+++ b/CanvasApp/ChartingSpace/Viewport.js
@@ -204,8 +204,6 @@ function newViewport () {
     if (event.buttons === 4) { morePower = 2 } // Mouse wheel pressed.
        /* We adjust the sensitivity for Mac Users */
 
-    if (IS_MAC) { amount = amount / MAC_AMOUNT_FACTOR }
-
     if (thisObject.zoomTargetLevel > 10) {
       amount = amount * 2
     }
diff --git a/CanvasApp/FloatingSpace/UiObject.js b/CanvasApp/FloatingSpace/UiObject.js
index 1d94d1b7f..a358fa014 100644
--- a/CanvasApp/FloatingSpace/UiObject.js
+++ b/CanvasApp/FloatingSpace/UiObject.js
@@ -1239,7 +1239,7 @@ function newUiObject () {
       let nodeDefinition = APP_SCHEMA_MAP.get(thisObject.payload.node.type)
       if (nodeDefinition !== undefined) {
         if (nodeDefinition.isHierarchyHead === true) {
-          VISIBLE_RADIUS = thisObject.container.frame.radius * 2
+          VISIBLE_RADIUS = thisObject.container.frame.radius * 1.1
           let OPACITY = 1
 
           browserCanvasContext.beginPath()