diff --git a/lib/rules/boolean-prop-naming.js b/lib/rules/boolean-prop-naming.js
index 5787a20a75..b4cd5a790f 100644
--- a/lib/rules/boolean-prop-naming.js
+++ b/lib/rules/boolean-prop-naming.js
@@ -265,6 +265,16 @@ module.exports = {
           node
         );
         objectTypeAnnotations.set(identifier.name, currentNode);
+      } else if (
+        node.type === 'TSParenthesizedType'
+        && (
+          node.typeAnnotation.type === 'TSIntersectionType'
+          || node.typeAnnotation.type === 'TSUnionType'
+        )
+      ) {
+        node.typeAnnotation.types.forEach((type) => {
+          findAllTypeAnnotations(identifier, type);
+        });
       } else if (
         node.type === 'TSIntersectionType'
         || node.type === 'TSUnionType'