diff --git a/src/chatlog/content/text.cpp b/src/chatlog/content/text.cpp
index 7660af746..ac968fa1e 100644
--- a/src/chatlog/content/text.cpp
+++ b/src/chatlog/content/text.cpp
@@ -202,8 +202,6 @@ void Text::ensureIntegrity()
     if(!doc)
     {
         doc = new CustomTextDocument();
-        doc->setUndoRedoEnabled(false);
-        doc->setUseDesignMetrics(true);
         doc->setDefaultFont(defFont);
 
         if(!elide)
diff --git a/src/chatlog/customtextdocument.cpp b/src/chatlog/customtextdocument.cpp
index e75dd4225..fa1d213c7 100644
--- a/src/chatlog/customtextdocument.cpp
+++ b/src/chatlog/customtextdocument.cpp
@@ -25,6 +25,8 @@ CustomTextDocument::CustomTextDocument(QObject *parent)
     : QTextDocument(parent)
 {
     setDefaultStyleSheet(Style::getStylesheet(":ui/chatArea/innerStyle.css"));
+    setUndoRedoEnabled(false);
+    setUseDesignMetrics(false);
 }
 
 QVariant CustomTextDocument::loadResource(int type, const QUrl &name)