diff --git a/webapp/channels/src/components/announcement_bar/mas_migration_bar/mas_migration_bar.tsx b/webapp/channels/src/components/announcement_bar/mas_migration_bar/mas_migration_bar.tsx
index 3fee18aa78..b1b50fa613 100644
--- a/webapp/channels/src/components/announcement_bar/mas_migration_bar/mas_migration_bar.tsx
+++ b/webapp/channels/src/components/announcement_bar/mas_migration_bar/mas_migration_bar.tsx
@@ -7,7 +7,7 @@ import {FormattedMessage} from 'react-intl';
 import ExternalLink from 'components/external_link';
 
 import {AnnouncementBarTypes} from 'utils/constants';
-import {isMacMas} from 'utils/user_agent';
+import {isNotMacMas} from 'utils/user_agent';
 
 import informationIcon from 'images/icons/information-blue.svg';
 
@@ -21,7 +21,7 @@ export default class MASMigrationBar extends React.PureComponent <Props> {
     render() {
         const {showMASBanner} = this.props;
 
-        if (showMASBanner && !isMacMas()) {
+        if (showMASBanner && !isNotMacMas()) {
             return (
                 <AnnouncementBar
                     type={AnnouncementBarTypes.INFOMANIAK_ADVISOR}
diff --git a/webapp/channels/src/utils/user_agent.tsx b/webapp/channels/src/utils/user_agent.tsx
index 9b702a2ca2..e63f0582f7 100644
--- a/webapp/channels/src/utils/user_agent.tsx
+++ b/webapp/channels/src/utils/user_agent.tsx
@@ -134,8 +134,8 @@ export function isMacApp(): boolean {
     return isDesktopApp() && isMac();
 }
 
-export function isMacMas(): boolean {
-    return isMacApp() && userAgent().indexOf('Mas') !== -1;
+export function isNotMacMas(): boolean {
+    return isMacApp() && userAgent().indexOf('Mas') === -1;
 }
 
 export function isWindows(): boolean {