diff --git a/CHANGELOG.md b/CHANGELOG.md
index c87b8d12d..677d96966 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## Unversioned
 
-- Major: Added support for Twitch's Chat Replies. [Wiki Page](https://wiki.chatterino.com/Features/#message-replies) (#3722)
+- Major: Added support for Twitch's Chat Replies. [Wiki Page](https://wiki.chatterino.com/Features/#message-replies) (#3722, #3989)
 - Major: Added multi-channel searching to search dialog via keyboard shortcut. (Ctrl+Shift+F by default) (#3694, #3875)
 - Minor: Added option to display tabs on the right and bottom. (#3847)
 - Minor: Added `is:first-msg` search option. (#3700)
diff --git a/src/widgets/splits/SplitInput.cpp b/src/widgets/splits/SplitInput.cpp
index 4a4c73f2d..ab635bd3d 100644
--- a/src/widgets/splits/SplitInput.cpp
+++ b/src/widgets/splits/SplitInput.cpp
@@ -978,9 +978,13 @@ void SplitInput::setReply(std::shared_ptr<MessageThread> reply,
     if (this->enableInlineReplying_)
     {
         // Only enable reply label if inline replying
-        this->ui_.textEdit->setPlainText(
-            "@" + this->replyThread_->root()->displayName + " ");
-        this->ui_.textEdit->moveCursor(QTextCursor::EndOfBlock);
+        auto replyPrefix = "@" + this->replyThread_->root()->displayName + " ";
+        auto plainText = this->ui_.textEdit->toPlainText().trimmed();
+        if (!plainText.startsWith(replyPrefix))
+        {
+            this->ui_.textEdit->setPlainText(replyPrefix + plainText + " ");
+            this->ui_.textEdit->moveCursor(QTextCursor::EndOfBlock);
+        }
         this->ui_.replyLabel->setText("Replying to @" +
                                       this->replyThread_->root()->displayName);
     }