diff --git a/ui/src/app/components/options/options.component.html b/ui/src/app/components/options/options.component.html
index 7c9b00e..3a07f93 100644
--- a/ui/src/app/components/options/options.component.html
+++ b/ui/src/app/components/options/options.component.html
@@ -78,9 +78,9 @@
 
         <!-- Flat Slider -->
         <eqm-flat-slider *ngIf="option.type === 'flat-slider'" [enabled]="!option.isEnabled || option.isEnabled() === true"
-          [orientation]="option.orientation" [thickness]="option.thickness" [color]="option.color"
+          [orientation]="option.orientation"
           [value]="option.value" [min]="option.min" [middle]="option.middle" [max]="option.max"
-          [doubleClickToAnimateToMiddle]="option.doubleClickToAnimateToMiddle"
+          [doubleClickToAnimateToMiddle]="option.doubleClickToAnimateToMiddle" [showMiddleNotch]="option.showMiddleNotch"
           [animationDuration]="option.animationDuration" [animationFps]="option.animationFps"
           [scrollEnabled]="option.scrollEnabled" [stickToMiddle]="option.stickToMiddle"
           (valueChange)="option.changed && option.changed($event)"
diff --git a/ui/src/app/components/options/options.component.ts b/ui/src/app/components/options/options.component.ts
index bd45532..dbb776e 100644
--- a/ui/src/app/components/options/options.component.ts
+++ b/ui/src/app/components/options/options.component.ts
@@ -97,9 +97,8 @@ interface SliderOption extends BaseOptions {
 
 export interface FlatSliderOption extends SliderOption {
   type: 'flat-slider'
-  thickness?: number
   orientation?: 'vertical' | 'horizontal'
-  color?: string
+  showMiddleNotch?: boolean
   doubleClickToAnimateToMiddle?: boolean
   userChangedValue?: (event: FlatSliderValueChangedEvent) => any
 }