diff --git a/src/components/post_status_form/post_status_form.js b/src/components/post_status_form/post_status_form.js
index 6d7cd3a0..3daac8a3 100644
--- a/src/components/post_status_form/post_status_form.js
+++ b/src/components/post_status_form/post_status_form.js
@@ -9,11 +9,12 @@ import StatusContent from '../status_content/status_content.vue'
 import fileTypeService from '../../services/file_type/file_type.service.js'
 import { findOffset } from '../../services/offset_finder/offset_finder.service.js'
 import { reject, map, uniqBy, debounce } from 'lodash'
+import { usePostLanguageOptions } from 'src/lib/post_language'
 import suggestor from '../emoji_input/suggestor.js'
 import { mapGetters, mapState } from 'vuex'
 import Checkbox from '../checkbox/checkbox.vue'
 import Select from '../select/select.vue'
-import iso6391 from 'iso-639-1'
+
 
 import { library } from '@fortawesome/fontawesome-svg-core'
 import {
@@ -136,6 +137,13 @@ const PostStatusForm = {
       this.$refs.textarea.focus()
     }
   },
+  setup() {
+    const {postLanguageOptions} = usePostLanguageOptions()
+
+    return {
+      postLanguageOptions,
+    }
+  },
   data () {
     const preset = this.$route.query.message
     let statusText = preset || ''
@@ -145,7 +153,8 @@ const PostStatusForm = {
       statusText = buildMentionsString({ user: this.repliedUser, attentions: this.attentions }, currentUser)
     }
 
-    const { postContentType: contentType, sensitiveByDefault, sensitiveIfSubject, interfaceLanguage, alwaysShowSubjectInput } = this.$store.getters.mergedConfig
+    const { postContentType: contentType, postLanguage: defaultPostLanguage, sensitiveByDefault, sensitiveIfSubject, interfaceLanguage, alwaysShowSubjectInput } = this.$store.getters.mergedConfig
+    const postLanguage = defaultPostLanguage || interfaceLanguage
 
     const isoLanguage = interfaceToISOLanguage(interfaceLanguage)
 
@@ -158,7 +167,7 @@ const PostStatusForm = {
       poll: {},
       mediaDescriptions: {},
       visibility: this.suggestedVisibility(),
-      language: isoLanguage,
+      language: postLanguage,
       contentType
     }
 
@@ -173,7 +182,7 @@ const PostStatusForm = {
         poll: this.statusPoll || {},
         mediaDescriptions: this.statusMediaDescriptions || {},
         visibility: this.statusScope || this.suggestedVisibility(),
-        language: this.statusLanguage || isoLanguage,
+        language: this.statusLanguage || postLanguage,
         contentType: statusContentType
       }
     }
@@ -318,9 +327,6 @@ const PostStatusForm = {
     ...mapState({
       mobileLayout: state => state.interface.mobileLayout
     }),
-    isoLanguages () {
-      return iso6391.getAllCodes();
-    }
   },
   watch: {
     'newStatus': {
diff --git a/src/components/post_status_form/post_status_form.vue b/src/components/post_status_form/post_status_form.vue
index 74663fd7..ab786e43 100644
--- a/src/components/post_status_form/post_status_form.vue
+++ b/src/components/post_status_form/post_status_form.vue
@@ -208,11 +208,11 @@
               class="form-control"
             >
               <option
-                v-for="language in isoLanguages"
-                :key="language"
-                :value="language"
+                v-for="language in postLanguageOptions"
+                :key="language.key"
+                :value="language.value"
               >
-                {{ language }}
+                {{ language.label }}
               </option>
             </Select>
           </div>
diff --git a/src/components/settings_modal/tabs/general_tab.js b/src/components/settings_modal/tabs/general_tab.js
index 763a588d..d21fb5b9 100644
--- a/src/components/settings_modal/tabs/general_tab.js
+++ b/src/components/settings_modal/tabs/general_tab.js
@@ -4,6 +4,7 @@ import ScopeSelector from 'src/components/scope_selector/scope_selector.vue'
 import IntegerSetting from '../helpers/integer_setting.vue'
 import InterfaceLanguageSwitcher from 'src/components/interface_language_switcher/interface_language_switcher.vue'
 
+import { usePostLanguageOptions } from 'src/lib/post_language'
 import SharedComputedObject from '../helpers/shared_computed_object.js'
 import ServerSideIndicator from '../helpers/server_side_indicator.vue'
 import { library } from '@fortawesome/fontawesome-svg-core'
@@ -17,6 +18,11 @@ library.add(
 )
 
 const GeneralTab = {
+  setup() {
+    const {postLanguageOptions} = usePostLanguageOptions()
+
+    return {postLanguageOptions}
+  },
   data () {
     return {
       subjectLineOptions: ['email', 'noop', 'masto'].map(mode => ({
@@ -118,6 +124,12 @@ const GeneralTab = {
         this.$store.dispatch('setOption', { name: 'translationLanguage', value: val })
       }
     },
+    postLanguage: {
+      get: function () { return this.$store.getters.mergedConfig.postLanguage },
+      set: function (val) {
+        this.$store.dispatch('setOption', { name: 'postLanguage', value: val })
+      }
+    },
     ...SharedComputedObject()
   },
   methods: {
diff --git a/src/components/settings_modal/tabs/general_tab.vue b/src/components/settings_modal/tabs/general_tab.vue
index 64950f8a..e31cb5d6 100644
--- a/src/components/settings_modal/tabs/general_tab.vue
+++ b/src/components/settings_modal/tabs/general_tab.vue
@@ -585,6 +585,15 @@
             {{ $t('settings.post_status_content_type') }}
           </ChoiceSetting>
         </li>
+        <li>
+          <ChoiceSetting
+            id="postLanguage"
+            path="postLanguage"
+            :options="postLanguageOptions"
+          >
+            {{ $t('settings.post_language') }}
+          </ChoiceSetting>
+        </li>
         <li>
           <BooleanSetting
             path="alwaysShowNewPostButton"
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 965cddb0..44971a51 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -684,6 +684,7 @@
         "play_videos_in_modal": "Play videos in a popup frame",
         "post_look_feel": "Posts Look & Feel",
         "post_status_content_type": "Default post content type",
+        "post_language": "Default post language",
         "posts": "Posts",
         "preload_images": "Preload images",
         "presets": "Presets",
diff --git a/src/lib/post_language.js b/src/lib/post_language.js
new file mode 100644
index 00000000..7dcaebce
--- /dev/null
+++ b/src/lib/post_language.js
@@ -0,0 +1,16 @@
+import iso6391 from 'iso-639-1'
+import { computed } from 'vue'
+
+export const usePostLanguageOptions = () => {
+  const postLanguageOptions = computed(() => {
+    return iso6391.getAllCodes().map(lang => ({
+      key: lang,
+      value: lang,
+      label: lang,
+    }));
+  })
+
+  return {
+    postLanguageOptions,
+  }
+}
diff --git a/src/modules/config.js b/src/modules/config.js
index 551b5bb6..038bb24e 100644
--- a/src/modules/config.js
+++ b/src/modules/config.js
@@ -116,6 +116,7 @@ export const defaultState = {
   conversationTreeFadeAncestors: undefined, // instance default
   maxDepthInThread: undefined, // instance default
   translationLanguage: undefined, // instance default,
+  postLanguage: undefined, // instance default,
   supportedTranslationLanguages: {}, // instance default
   userProfileDefaultTab: 'statuses',
   useBlurhash: true,