diff --git a/cura/Settings/SimpleModeSettingsManager.py b/cura/Settings/SimpleModeSettingsManager.py
index ffeaff4072..51aeb74d87 100644
--- a/cura/Settings/SimpleModeSettingsManager.py
+++ b/cura/Settings/SimpleModeSettingsManager.py
@@ -47,7 +47,8 @@ class SimpleModeSettingsManager(QObject):
             self._is_profile_customized = has_customized_user_settings
             self.isProfileCustomizedChanged.emit()
 
-    # A list of settings that will be ignored when check whether there is any custom settings.
+    # These are the settings included in the Simple ("Recommended") Mode, so only when the other settings have been
+    # changed, we consider it as a user customized profile in the Simple ("Recommended") Mode.
     __ignored_custom_setting_keys = ["support_enable",
                                      "infill_sparse_density",
                                      "gradual_infill_steps",
diff --git a/resources/qml/SidebarSimple.qml b/resources/qml/SidebarSimple.qml
index 82e5f421e4..a68e2171f9 100644
--- a/resources/qml/SidebarSimple.qml
+++ b/resources/qml/SidebarSimple.qml
@@ -260,7 +260,7 @@ Item
                         id: qualitySlider
                         height: UM.Theme.getSize("sidebar_margin").height
                         anchors.bottom: speedSlider.bottom
-                        enabled: qualityModel.availableTotalTicks > 0
+                        enabled: qualityModel.availableTotalTicks > 0 && !Cura.SimpleModeSettingsManager.isProfileCustomized
                         visible: qualityModel.totalTicks > 0
                         updateValueWhileDragging : false