diff --git a/src/components/views/elements/MemberEventListSummary.js b/src/components/views/elements/MemberEventListSummary.js
index 98adbb2e5c..ef80efaa68 100644
--- a/src/components/views/elements/MemberEventListSummary.js
+++ b/src/components/views/elements/MemberEventListSummary.js
@@ -22,13 +22,14 @@ import createReactClass from 'create-react-class';
 import { _t } from '../../../languageHandler';
 import { formatCommaSeparatedList } from '../../../utils/FormattingUtils';
 import sdk from "../../../index";
+import {MatrixEvent} from "matrix-js-sdk";
 
 module.exports = createReactClass({
     displayName: 'MemberEventListSummary',
 
     propTypes: {
         // An array of member events to summarise
-        events: PropTypes.array.isRequired,
+        events: PropTypes.arrayOf(PropTypes.instanceOf(MatrixEvent)).isRequired,
         // An array of EventTiles to render when expanded
         children: PropTypes.array.isRequired,
         // The maximum number of names to show in either each summary e.g. 2 would result "A, B and 234 others left"
diff --git a/test/components/views/elements/MemberEventListSummary-test.js b/test/components/views/elements/MemberEventListSummary-test.js
index db86b2ffab..95f7e7999a 100644
--- a/test/components/views/elements/MemberEventListSummary-test.js
+++ b/test/components/views/elements/MemberEventListSummary-test.js
@@ -1,6 +1,7 @@
 import expect from 'expect';
 import React from 'react';
 import ReactTestUtils from 'react-dom/test-utils';
+import ShallowRenderer from "react-test-renderer/shallow";
 import sdk from 'matrix-react-sdk';
 import * as languageHandler from '../../../../src/languageHandler';
 import * as testUtils from '../../../test-utils';
@@ -112,7 +113,7 @@ describe('MemberEventListSummary', function() {
             threshold: 3,
         };
 
-        const renderer = testUtils.getRenderer();
+        const renderer = new ShallowRenderer();
         renderer.render(<MemberEventListSummary {...props} />);
         const result = renderer.getRenderOutput();
 
@@ -134,7 +135,7 @@ describe('MemberEventListSummary', function() {
             threshold: 3,
         };
 
-        const renderer = testUtils.getRenderer();
+        const renderer = new ShallowRenderer();
         renderer.render(<MemberEventListSummary {...props} />);
         const result = renderer.getRenderOutput();
 
diff --git a/yarn.lock b/yarn.lock
index ba7fea21ba..b2815a496b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6582,6 +6582,11 @@ react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
   integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
 
+react-is@^16.9.0:
+  version "16.9.0"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
+  integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
+
 react-lifecycles-compat@^3.0.0:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"