diff --git a/packages/material-ui/src/OutlinedInput/NotchedOutline.js b/packages/material-ui/src/OutlinedInput/NotchedOutline.js
index 3e4f23ecf3ab02..4cb41f36e2f25f 100644
--- a/packages/material-ui/src/OutlinedInput/NotchedOutline.js
+++ b/packages/material-ui/src/OutlinedInput/NotchedOutline.js
@@ -36,6 +36,7 @@ export const styles = theme => {
     legendLabel: {
       paddingLeft: 5,
       paddingRight: 5,
+      display: 'inline-block',
     },
     /* Styles applied to the legend element. */
     legendLabelled: {