diff --git a/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java b/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java
index ba5ce4654..14f0e4543 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java
@@ -31,6 +31,7 @@ public class GlobalUserPreferences{
 	public static boolean uniformNotificationIcon;
 	public static boolean reduceMotion;
 	public static boolean keepOnlyLatestNotification;
+	public static boolean disableAltTextReminder;
 	public static String publishButtonText;
 	public static ThemePreference theme;
 	public static ColorPreference color;
@@ -66,6 +67,7 @@ public class GlobalUserPreferences{
 		uniformNotificationIcon=prefs.getBoolean("uniformNotificationIcon", false);
 		reduceMotion=prefs.getBoolean("reduceMotion", false);
 		keepOnlyLatestNotification=prefs.getBoolean("keepOnlyLatestNotification", false);
+		disableAltTextReminder=prefs.getBoolean("disableAltTextReminder", false);
 		publishButtonText=prefs.getString("publishButtonText", "");
 		theme=ThemePreference.values()[prefs.getInt("theme", 0)];
 		recentLanguages=fromJson(prefs.getString("recentLanguages", "{}"), recentLanguagesType, new HashMap<>());
@@ -96,6 +98,7 @@ public class GlobalUserPreferences{
 				.putBoolean("uniformNotificationIcon", uniformNotificationIcon)
 				.putBoolean("reduceMotion", reduceMotion)
 				.putBoolean("keepOnlyLatestNotification", keepOnlyLatestNotification)
+				.putBoolean("disableAltTextReminder", disableAltTextReminder)
 				.putString("publishButtonText", publishButtonText)
 				.putInt("theme", theme.ordinal())
 				.putString("color", color.name())
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
index 0a85b56ce..e16096034 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
@@ -951,6 +951,10 @@ public class ComposeFragment extends MastodonToolbarFragment implements OnBackPr
 	}
 
 	private void publish(){
+		publish(false);
+	}
+
+	private void publish(boolean forceWithoutAltTexts){
 		String text=mainEditText.getText().toString();
 		CreateStatus.Request req=new CreateStatus.Request();
 		req.status=text;
@@ -960,6 +964,17 @@ public class ComposeFragment extends MastodonToolbarFragment implements OnBackPr
 		req.scheduledAt = scheduledAt;
 		if(!attachments.isEmpty()){
 			req.mediaIds=attachments.stream().map(a->a.serverAttachment.id).collect(Collectors.toList());
+			Optional<DraftMediaAttachment> withoutAltText = attachments.stream().filter(a -> a.description == null || a.description.isBlank()).findFirst();
+			boolean isDraft = scheduledAt != null && scheduledAt.isAfter(DRAFTS_AFTER_INSTANT);
+			if (!forceWithoutAltTexts && !GlobalUserPreferences.disableAltTextReminder && !isDraft && withoutAltText.isPresent()) {
+				new M3AlertDialogBuilder(getActivity())
+						.setTitle(R.string.sk_alt_text_missing_title)
+						.setMessage(R.string.sk_alt_text_missing)
+						.setPositiveButton(R.string.add_alt_text, (d, w) -> editMediaDescription(withoutAltText.get()))
+						.setNegativeButton(R.string.sk_publish_anyway, (d, w) -> publish(true))
+						.show();
+				return;
+			}
 		}
 		if(replyTo!=null || (editingStatus != null && editingStatus.inReplyToId!=null)){
 			req.inReplyToId=editingStatus!=null ? editingStatus.inReplyToId : replyTo.id;
@@ -1524,6 +1539,10 @@ public class ComposeFragment extends MastodonToolbarFragment implements OnBackPr
 		DraftMediaAttachment att=(DraftMediaAttachment) v.getTag();
 		if(att.serverAttachment==null)
 			return;
+		editMediaDescription(att);
+	}
+
+	private void editMediaDescription(DraftMediaAttachment att) {
 		Bundle args=new Bundle();
 		args.putString("account", accountID);
 		args.putString("attachment", att.serverAttachment.id);
diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java
index b039172cf..3d6b1785f 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java
@@ -196,6 +196,10 @@ public class SettingsFragment extends MastodonToolbarFragment{
 			GlobalUserPreferences.save();
 			needAppRestart=true;
 		}));
+		items.add(new SwitchItem(R.string.sk_settings_disable_alt_text_reminder, R.drawable.ic_fluent_image_alt_text_24_regular, GlobalUserPreferences.disableAltTextReminder, i->{
+			GlobalUserPreferences.disableAltTextReminder=i.checked;
+			GlobalUserPreferences.save();
+		}));
 		items.add(new SwitchItem(R.string.sk_settings_translate_only_opened, R.drawable.ic_fluent_translate_24_regular, GlobalUserPreferences.translateButtonOpenedOnly, i->{
 			GlobalUserPreferences.translateButtonOpenedOnly=i.checked;
 			GlobalUserPreferences.save();
diff --git a/mastodon/src/main/res/values/strings_sk.xml b/mastodon/src/main/res/values/strings_sk.xml
index 6dd0ba991..0b5c0769f 100644
--- a/mastodon/src/main/res/values/strings_sk.xml
+++ b/mastodon/src/main/res/values/strings_sk.xml
@@ -149,4 +149,8 @@
     <string name="sk_do_remove_follower">Remove</string>
     <string name="sk_remove_follower_success">Successfully removed follower</string>
     <string name="sk_changelog">Changelog</string>
+    <string name="sk_alt_text_missing_title">Missing alt text</string>
+    <string name="sk_alt_text_missing">At least one attachment does not contain a description.</string>
+    <string name="sk_publish_anyway">Publish anyway</string>
+    <string name="sk_settings_disable_alt_text_reminder">Disable alt text reminder</string>
 </resources>
\ No newline at end of file