Update packages/material-ui/src/TabScrollButton/TabScrollButton.js

mui · Jan 28, 2021 · fb48214 · fb48214
1 parent e4db2c7
commit fb48214
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/material-ui/src/TabScrollButton/TabScrollButton.js b/packages/material-ui/src/TabScrollButton/TabScrollButton.js
@@ -16,7 +16,7 @@ const overridesResolver = (props, styles) => {
   const { styleProps } = props;
 
   return deepmerge(styles.root || {}, {
-    ...styles[styleProps.orientation],
+    ...(styleProps.orientation && styles[styleProps.orientation]),
   });
 };