diff --git a/src/index.js b/src/index.js
index dfa6e50..a645217 100644
--- a/src/index.js
+++ b/src/index.js
@@ -66,7 +66,7 @@ function createPlugin() {
     const nodes = [];
     visit(
       markdownAST,
-      ({ type }) => type === 'code' || inlineCode && type === 'inlineCode',
+      ({ type }) => type === 'code' || (inlineCode && type === 'inlineCode'),
       node => {
         nodes.push(node);
       }