diff --git a/src/components/views/globals/MatrixToolbar.js b/src/components/views/globals/MatrixToolbar.js
index aabf0810f8..1e496741ad 100644
--- a/src/components/views/globals/MatrixToolbar.js
+++ b/src/components/views/globals/MatrixToolbar.js
@@ -34,7 +34,7 @@ module.exports = createReactClass({
     render: function() {
         return (
             <div className="mx_MatrixToolbar">
-                <img className="mx_MatrixToolbar_warning" src={require("../../../../res/img/warning.svg")} width="24" height="23" />
+                <img className="mx_MatrixToolbar_warning" src={require("../../../../res/img/warning.svg")} width="24" height="23" alt="" />
                 <div className="mx_MatrixToolbar_content">
                    { _t('You are not receiving desktop notifications') } <a className="mx_MatrixToolbar_link" onClick={ this.onClick }> { _t('Enable them now') }</a>
                 </div>
diff --git a/src/components/views/globals/NewVersionBar.js b/src/components/views/globals/NewVersionBar.js
index abb9334242..f6bd029969 100644
--- a/src/components/views/globals/NewVersionBar.js
+++ b/src/components/views/globals/NewVersionBar.js
@@ -97,7 +97,7 @@ export default createReactClass({
         }
         return (
             <div className="mx_MatrixToolbar">
-                <img className="mx_MatrixToolbar_warning" src={require("../../../../res/img/warning.svg")} width="24" height="23" />
+                <img className="mx_MatrixToolbar_warning" src={require("../../../../res/img/warning.svg")} width="24" height="23" alt="" />
                 <div className="mx_MatrixToolbar_content">
                     {_t("A new version of Riot is available.")}
                 </div>