diff --git a/packages/material-ui/src/ButtonBase/ButtonBase.js b/packages/material-ui/src/ButtonBase/ButtonBase.js index 3ede2ac48cb913..f34c7002808023 100644 --- a/packages/material-ui/src/ButtonBase/ButtonBase.js +++ b/packages/material-ui/src/ButtonBase/ButtonBase.js @@ -219,7 +219,15 @@ const ButtonBase = React.forwardRef(function ButtonBase(props, ref) { } }); const handleKeyUp = useEventCallback(event => { - if (focusRipple && event.key === ' ' && rippleRef.current && focusVisible) { + // calling preventDefault in keyUp on a