diff --git a/share_extension/android/extension_channels/extension_channels.js b/share_extension/android/extension_channels/extension_channels.js
index b7dd63034..5f1d2c4e6 100644
--- a/share_extension/android/extension_channels/extension_channels.js
+++ b/share_extension/android/extension_channels/extension_channels.js
@@ -59,6 +59,10 @@ export default class ExtensionTeam extends PureComponent {
             publicChannels: publicFiltered,
         } = this.props;
 
+        directFiltered = directFiltered.filter((c) => c.delete_at === 0);
+        privateFiletered = privateFiletered.filter((c) => c.delete_at === 0);
+        publicFiltered = publicFiltered.filter((c) => c.delete_at === 0);
+
         if (term) {
             directFiltered = directFiltered.filter((c) => c.display_name.toLowerCase().includes(term.toLowerCase()));
             privateFiletered = privateFiletered.filter((c) => c.display_name.toLowerCase().includes(term.toLowerCase()));
diff --git a/share_extension/android/extension_post/index.js b/share_extension/android/extension_post/index.js
index 7e62aa5cc..12ad2ca75 100644
--- a/share_extension/android/extension_post/index.js
+++ b/share_extension/android/extension_post/index.js
@@ -3,7 +3,7 @@
 
 import {connect} from 'react-redux';
 
-import {getCurrentChannelId} from 'mattermost-redux/selectors/entities/channels';
+import {getCurrentChannel, getDefaultChannel} from 'mattermost-redux/selectors/entities/channels';
 import {getCurrentTeamId} from 'mattermost-redux/selectors/entities/teams';
 import {getCurrentUserId} from 'mattermost-redux/selectors/entities/users';
 import {getConfig} from 'mattermost-redux/selectors/entities/general';
@@ -16,9 +16,13 @@ function mapStateToProps(state) {
     const config = getConfig(state);
     const {credentials} = state.entities.general;
     const {token, url} = credentials;
+    let channel = getCurrentChannel(state);
+    if (channel.delete_at !== 0) {
+        channel = getDefaultChannel(state);
+    }
 
     return {
-        channelId: getCurrentChannelId(state),
+        channelId: channel.id,
         currentUserId: getCurrentUserId(state),
         maxFileSize: getAllowedServerMaxFileSize(config),
         teamId: getCurrentTeamId(state),
diff --git a/share_extension/ios/extension_channels.js b/share_extension/ios/extension_channels.js
index 81b68d616..d03c2cd0a 100644
--- a/share_extension/ios/extension_channels.js
+++ b/share_extension/ios/extension_channels.js
@@ -53,7 +53,7 @@ export default class ExtensionChannels extends PureComponent {
 
         channels.forEach((channel) => {
             const include = term ? channel.display_name.toLowerCase().includes(term.toLowerCase()) : true;
-            if (channel.display_name && include) {
+            if (channel.display_name && include && channel.delete_at === 0) {
                 switch (channel.type) {
                 case General.OPEN_CHANNEL:
                     publicChannels.push(channel);
diff --git a/share_extension/ios/extension_post.js b/share_extension/ios/extension_post.js
index 1e91a159b..cf765cc81 100644
--- a/share_extension/ios/extension_post.js
+++ b/share_extension/ios/extension_post.js
@@ -22,7 +22,7 @@ import RNFetchBlob from 'rn-fetch-blob';
 
 import {Client4} from 'mattermost-redux/client';
 import {General} from 'mattermost-redux/constants';
-import {getChannel} from 'mattermost-redux/selectors/entities/channels';
+import {getChannel, getDefaultChannel} from 'mattermost-redux/selectors/entities/channels';
 import {getFormattedFileSize, lookupMimeType} from 'mattermost-redux/utils/file_utils';
 import {isMinimumServerVersion} from 'mattermost-redux/utils/helpers';
 
@@ -237,6 +237,10 @@ export default class ExtensionPost extends PureComponent {
                     channel = getChannel({entities}, channel.id);
                 }
 
+                if (channel.delete_at !== 0) {
+                    channel = getDefaultChannel({entities});
+                }
+
                 for (let i = 0; i < items.length; i++) {
                     const item = items[i];
                     switch (item.type) {