diff --git a/Projects/Superalgos/UI/Spaces/Floating-Space/Picker.js b/Projects/Superalgos/UI/Spaces/Floating-Space/Picker.js
index c055655ad..4b78285a9 100644
--- a/Projects/Superalgos/UI/Spaces/Floating-Space/Picker.js
+++ b/Projects/Superalgos/UI/Spaces/Floating-Space/Picker.js
@@ -177,6 +177,7 @@ function newPicker() {
                     return
                 }
             }
+            event.delta = - event.delta 
         }
 
         selected = selected - event.delta
diff --git a/Projects/Superalgos/UI/Spaces/Panel-Space/LayersPanel.js b/Projects/Superalgos/UI/Spaces/Panel-Space/LayersPanel.js
index dfe595bdc..2d769f8f8 100644
--- a/Projects/Superalgos/UI/Spaces/Panel-Space/LayersPanel.js
+++ b/Projects/Superalgos/UI/Spaces/Panel-Space/LayersPanel.js
@@ -251,6 +251,7 @@ function newLayersPanel() {
                     return
                 }
             }
+            event.delta = - event.delta 
         }
 
         if (event.y - thisObject.container.frame.position.y - CURRENT_TOP_MARGIN < headerHeight) { // Mouse wheel over the header, not a layer
diff --git a/Projects/Superalgos/UI/Spaces/Side-Space/ListView.js b/Projects/Superalgos/UI/Spaces/Side-Space/ListView.js
index 68e966bba..116e871b9 100644
--- a/Projects/Superalgos/UI/Spaces/Side-Space/ListView.js
+++ b/Projects/Superalgos/UI/Spaces/Side-Space/ListView.js
@@ -163,6 +163,7 @@ function newListView() {
                     return
                 }
             }
+            event.delta = - event.delta 
         }
 
         firstVisibleListItem = firstVisibleListItem - event.delta