diff --git a/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java b/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java
index d0b5961e0..02ad7169f 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/GlobalUserPreferences.java
@@ -39,6 +39,7 @@ public class GlobalUserPreferences{
 	public static boolean showAltIndicator;
 	public static boolean showNoAltIndicator;
 	public static boolean enablePreReleases;
+	public static boolean prefixRepliesWithRe;
 	public static boolean bottomEncoding;
 	public static String publishButtonText;
 	public static ThemePreference theme;
@@ -84,6 +85,7 @@ public class GlobalUserPreferences{
 		showAltIndicator=prefs.getBoolean("showAltIndicator", true);
 		showNoAltIndicator=prefs.getBoolean("showNoAltIndicator", true);
 		enablePreReleases=prefs.getBoolean("enablePreReleases", false);
+		prefixRepliesWithRe=prefs.getBoolean("prefixRepliesWithRe", false);
 		bottomEncoding=prefs.getBoolean("bottomEncoding", false);
 		publishButtonText=prefs.getString("publishButtonText", "");
 		theme=ThemePreference.values()[prefs.getInt("theme", 0)];
@@ -122,6 +124,7 @@ public class GlobalUserPreferences{
 				.putBoolean("showAltIndicator", showAltIndicator)
 				.putBoolean("showNoAltIndicator", showNoAltIndicator)
 				.putBoolean("enablePreReleases", enablePreReleases)
+				.putBoolean("prefixRepliesWithRe", prefixRepliesWithRe)
 				.putString("publishButtonText", publishButtonText)
 				.putBoolean("bottomEncoding", bottomEncoding)
 				.putInt("theme", theme.ordinal())
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 a24fc786c..82edda8f2 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/ComposeFragment.java
@@ -713,7 +713,11 @@ public class ComposeFragment extends MastodonToolbarFragment implements OnBackPr
 				if(!TextUtils.isEmpty(replyTo.spoilerText)){
 					hasSpoiler=true;
 					spoilerEdit.setVisibility(View.VISIBLE);
-					spoilerEdit.setText(replyTo.spoilerText);
+					if(GlobalUserPreferences.prefixRepliesWithRe && !replyTo.spoilerText.startsWith("re: ")){
+						spoilerEdit.setText("re: " + replyTo.spoilerText);
+					}else{
+						spoilerEdit.setText(replyTo.spoilerText);
+					}
 					spoilerBtn.setSelected(true);
 				}
 				if (replyTo.language != null && !replyTo.language.isEmpty()) updateLanguage(replyTo.language);
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 94261dc46..f93ae2c2b 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java
@@ -203,6 +203,10 @@ public class SettingsFragment extends MastodonToolbarFragment{
 			GlobalUserPreferences.keepOnlyLatestNotification=i.checked;
 			GlobalUserPreferences.save();
 		}));
+		items.add(new SwitchItem(R.string.sk_settings_prefix_replies_with_re, R.drawable.ic_fluent_arrow_reply_24_regular, GlobalUserPreferences.prefixRepliesWithRe, i->{
+			GlobalUserPreferences.prefixRepliesWithRe=i.checked;
+			GlobalUserPreferences.save();
+		}));
 
 		items.add(new HeaderItem(R.string.sk_timelines));
 		items.add(new SwitchItem(R.string.sk_settings_show_replies, R.drawable.ic_fluent_chat_multiple_24_regular, GlobalUserPreferences.showReplies, i->{
diff --git a/mastodon/src/main/res/values/strings_sk.xml b/mastodon/src/main/res/values/strings_sk.xml
index 5816935e6..3c8538894 100644
--- a/mastodon/src/main/res/values/strings_sk.xml
+++ b/mastodon/src/main/res/values/strings_sk.xml
@@ -251,4 +251,5 @@
     <string name="sk_new_reports">New reports</string>
     <string name="sk_settings_server_version">Server version: %s</string>
     <string name="sk_notify_poll_results">Poll results</string>
+    <string name="sk_settings_prefix_replies_with_re">Prefix replies with “re:”</string>
 </resources>
\ No newline at end of file