diff --git a/src/widgets/side/QuizSideButton.tsx b/src/widgets/side/QuizSideButton.tsx
index 57118b6..eb26df1 100644
--- a/src/widgets/side/QuizSideButton.tsx
+++ b/src/widgets/side/QuizSideButton.tsx
@@ -56,6 +56,7 @@ export default function QuizSideButton({ quizId, position, buttonBackgroundColor
                 className="pena-quiz-widget-button"
                 variant="contained"
                 onClick={() => setIsQuizShown(true)}
+                disableFocusRipple
                 sx={[
                     {
                         display: isQuizShown ? "none" : "block",