diff --git a/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.js b/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.js
index 919e22dc03d2..15945e73fe73 100644
--- a/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.js
+++ b/packages/docusaurus-theme-classic/src/theme/MDXComponents/index.js
@@ -16,6 +16,9 @@ export default {
   code: (props) => {
     const {children} = props;
     if (typeof children === 'string') {
+      if (!children.includes('\n')) {
+        return <code {...props} />;
+      }
       return <CodeBlock {...props} />;
     }
     return children;