diff --git a/app/screens/flagged_posts/flagged_posts.js b/app/screens/flagged_posts/flagged_posts.js
index 89b705885..0a3d445e4 100644
--- a/app/screens/flagged_posts/flagged_posts.js
+++ b/app/screens/flagged_posts/flagged_posts.js
@@ -12,7 +12,7 @@ import {
     View,
 } from 'react-native';
 
-import {isDateLine} from 'mattermost-redux/utils/post_list';
+import {isDateLine, getDateForDateLine} from 'mattermost-redux/utils/post_list';
 
 import ChannelLoader from 'app/components/channel_loader';
 import DateHeader from 'app/components/post_list/date_header';
@@ -163,7 +163,7 @@ export default class FlaggedPosts extends PureComponent {
         if (isDateLine(item)) {
             return (
                 <DateHeader
-                    dateLineString={item}
+                    date={getDateForDateLine(item)}
                     index={index}
                 />
             );
diff --git a/app/screens/pinned_posts/pinned_posts.js b/app/screens/pinned_posts/pinned_posts.js
index 49c3e07a5..fd940a08d 100644
--- a/app/screens/pinned_posts/pinned_posts.js
+++ b/app/screens/pinned_posts/pinned_posts.js
@@ -12,7 +12,7 @@ import {
     View,
 } from 'react-native';
 
-import {isDateLine} from 'mattermost-redux/utils/post_list';
+import {isDateLine, getDateForDateLine} from 'mattermost-redux/utils/post_list';
 
 import ChannelLoader from 'app/components/channel_loader';
 import DateHeader from 'app/components/post_list/date_header';
@@ -165,7 +165,7 @@ export default class PinnedPosts extends PureComponent {
         if (isDateLine(item)) {
             return (
                 <DateHeader
-                    dateLineString={item}
+                    date={getDateForDateLine(item)}
                     index={index}
                 />
             );
diff --git a/app/screens/recent_mentions/recent_mentions.js b/app/screens/recent_mentions/recent_mentions.js
index eb35c7957..78c5d3e7c 100644
--- a/app/screens/recent_mentions/recent_mentions.js
+++ b/app/screens/recent_mentions/recent_mentions.js
@@ -12,7 +12,7 @@ import {
     View,
 } from 'react-native';
 
-import {isDateLine} from 'mattermost-redux/utils/post_list';
+import {isDateLine, getDateForDateLine} from 'mattermost-redux/utils/post_list';
 
 import ChannelLoader from 'app/components/channel_loader';
 import DateHeader from 'app/components/post_list/date_header';
@@ -163,7 +163,7 @@ export default class RecentMentions extends PureComponent {
         if (isDateLine(item)) {
             return (
                 <DateHeader
-                    dateLineString={item}
+                    date={getDateForDateLine(item)}
                     index={index}
                 />
             );
diff --git a/app/screens/search/search.js b/app/screens/search/search.js
index 639d6b9f3..dd6747b6d 100644
--- a/app/screens/search/search.js
+++ b/app/screens/search/search.js
@@ -15,7 +15,7 @@ import AwesomeIcon from 'react-native-vector-icons/FontAwesome';
 
 import {debounce} from 'mattermost-redux/actions/helpers';
 import {RequestStatus} from 'mattermost-redux/constants';
-import {isDateLine} from 'mattermost-redux/utils/post_list';
+import {isDateLine, getDateForDateLine} from 'mattermost-redux/utils/post_list';
 
 import Autocomplete from 'app/components/autocomplete';
 import KeyboardLayout from 'app/components/layout/keyboard_layout';
@@ -379,7 +379,7 @@ export default class Search extends PureComponent {
         if (isDateLine(item)) {
             return (
                 <DateHeader
-                    dateLineString={item}
+                    date={getDateForDateLine(item)}
                     index={index}
                 />
             );