diff --git a/src/plugins/diffeditor/diffeditorwidget.cpp b/src/plugins/diffeditor/diffeditorwidget.cpp
index 7d9bba20014bbb5424cfa5ebbcdf55acb212a66c..e26fd20fd94069c2aa1463cf1bf2d008b335701a 100644
--- a/src/plugins/diffeditor/diffeditorwidget.cpp
+++ b/src/plugins/diffeditor/diffeditorwidget.cpp
@@ -529,6 +529,8 @@ DiffEditorWidget::DiffEditorWidget(QWidget *parent)
     m_leftEditor->setReadOnly(true);
     m_leftEditor->setHighlightCurrentLine(false);
     m_leftEditor->setWordWrapMode(QTextOption::NoWrap);
+    connect(settings, SIGNAL(fontSettingsChanged(TextEditor::FontSettings)),
+            m_leftEditor, SLOT(setFontSettings(TextEditor::FontSettings)));
     m_leftEditor->setFontSettings(settings->fontSettings());
     m_leftEditor->setCodeStyle(settings->codeStyle());
 
@@ -537,6 +539,8 @@ DiffEditorWidget::DiffEditorWidget(QWidget *parent)
     m_rightEditor->setReadOnly(true);
     m_rightEditor->setHighlightCurrentLine(false);
     m_rightEditor->setWordWrapMode(QTextOption::NoWrap);
+    connect(settings, SIGNAL(fontSettingsChanged(TextEditor::FontSettings)),
+            m_rightEditor, SLOT(setFontSettings(TextEditor::FontSettings)));
     m_rightEditor->setFontSettings(settings->fontSettings());
     m_rightEditor->setCodeStyle(settings->codeStyle());