diff --git a/lib/rules/boolean-prop-naming.js b/lib/rules/boolean-prop-naming.js
index 6d63feb17e..54f7dbe96b 100644
--- a/lib/rules/boolean-prop-naming.js
+++ b/lib/rules/boolean-prop-naming.js
@@ -386,7 +386,12 @@ module.exports = {
             } else if (annotation.type === 'TSTypeReference') {
               propType = objectTypeAnnotations.get(annotation.typeName.name);
             } else if (annotation.type === 'TSIntersectionType') {
-              propType = flatMap(annotation.types, (type) => objectTypeAnnotations.get(type.typeName.name));
+              propType = flatMap(annotation.types, (type) => {
+                if (type.type === 'TSTypeReference') {
+                  return objectTypeAnnotations.get(type.typeName.name);
+                }
+                return type;
+              });
             }
 
             if (propType) {
diff --git a/tests/lib/rules/boolean-prop-naming.js b/tests/lib/rules/boolean-prop-naming.js
index 393c04a508..1d1794a6f1 100644
--- a/tests/lib/rules/boolean-prop-naming.js
+++ b/tests/lib/rules/boolean-prop-naming.js
@@ -1338,5 +1338,34 @@ ruleTester.run('boolean-prop-naming', rule, {
         },
       ],
     },
+    {
+      code: `
+        type Props = {
+          enabled: boolean
+        }
+        
+        const Hello = (props: Props & {
+          semi: boolean
+        }) => <div />;
+      `,
+      options: [{ rule: '^(is|has)[A-Z]([A-Za-z0-9]?)+' }],
+      features: ['ts', 'no-babel', 'no-ts-old'],
+      errors: [
+        {
+          messageId: 'patternMismatch',
+          data: {
+            propName: 'enabled',
+            pattern: '^(is|has)[A-Z]([A-Za-z0-9]?)+',
+          },
+        },
+        {
+          messageId: 'patternMismatch',
+          data: {
+            propName: 'semi',
+            pattern: '^(is|has)[A-Z]([A-Za-z0-9]?)+',
+          },
+        },
+      ],
+    },
   ]),
 });