diff --git a/src/widgets/button/ButtonWidget.tsx b/src/widgets/button/ButtonWidget.tsx
index a432749..68965ea 100644
--- a/src/widgets/button/ButtonWidget.tsx
+++ b/src/widgets/button/ButtonWidget.tsx
@@ -5,12 +5,12 @@ import OpenQuizButton from "./OpenQuizButton";
 import { createPortal } from "react-dom";
 
 
-type Props = ComponentPropsWithoutRef<typeof OpenQuizButton>;
+type ButtonWidgetProps = Omit<ComponentPropsWithoutRef<typeof OpenQuizButton>, "fixedSide">;
 
 export class ButtonWidget {
     root: Root | undefined;
 
-    constructor(props: Props & {
+    constructor(props: ButtonWidgetProps & {
         selector: string;
         /**
          * In seconds, null - polling disabled
@@ -38,7 +38,7 @@ export class ButtonWidget {
         });
     }
 
-    render(props: Props) {
+    render(props: ButtonWidgetProps) {
         this.root?.render(<OpenQuizButton {...props} />);
     }
 
@@ -47,11 +47,13 @@ export class ButtonWidget {
     }
 }
 
+type ButtonWidgetFixedProps = Omit<ComponentPropsWithoutRef<typeof OpenQuizButton>, "selector">;
+
 export class ButtonWidgetFixed {
     root: Root | undefined;
     element = document.createElement("div");
 
-    constructor(props: Props) {
+    constructor(props: ButtonWidgetFixedProps) {
         this.element.style.setProperty("display", "none");
         document.body.appendChild(this.element);
 
@@ -60,7 +62,7 @@ export class ButtonWidgetFixed {
         this.render(props);
     }
 
-    render(props: Props) {
+    render(props: ButtonWidgetFixedProps) {
         this.root?.render(createPortal(<OpenQuizButton {...props} />, document.body));
     }