diff --git a/src/plugins/texteditor/basetexteditor.cpp b/src/plugins/texteditor/basetexteditor.cpp
index 30d4bd4d3a6..e747853753b 100644
--- a/src/plugins/texteditor/basetexteditor.cpp
+++ b/src/plugins/texteditor/basetexteditor.cpp
@@ -3559,7 +3559,8 @@ int BaseTextEditorWidget::extraAreaWidth(int *markWidthPtr) const
 
     if (d->m_lineNumbersVisible) {
         QFont fnt = d->m_extraArea->font();
-        // this works under the assumption that bold or italic can only make a font wider
+        // this works under the assumption that bold or italic
+        // can only make a font wider
         fnt.setBold(d->m_currentLineNumberFormat.font().bold());
         fnt.setItalic(d->m_currentLineNumberFormat.font().italic());
         const QFontMetrics linefm(fnt);
@@ -3709,10 +3710,11 @@ void BaseTextEditorWidget::extraAreaPaintEvent(QPaintEvent *e)
             if (TextBlockUserData *userData = static_cast<TextBlockUserData*>(block.userData())) {
                 if (d->m_marksVisible) {
                     int xoffset = 0;
-                    foreach (ITextMark *mrk, userData->marks()) {
-                        const int radius = fmLineSpacing - 1;
-                        const QRect r(xoffset, top, radius, radius);
-                        mrk->paint(&painter, r);
+                    foreach (ITextMark *mark, userData->marks()) {
+                        const int height = fmLineSpacing - 1;
+                        const int width = int(.5 + height * mark->widthFactor());
+                        const QRect r(xoffset, top, width, height);
+                        mark->paint(&painter, r);
                         xoffset += 2;
                     }
                 }
diff --git a/src/plugins/texteditor/itexteditor.cpp b/src/plugins/texteditor/itexteditor.cpp
index c67a357501e..cad4c855e2b 100644
--- a/src/plugins/texteditor/itexteditor.cpp
+++ b/src/plugins/texteditor/itexteditor.cpp
@@ -73,6 +73,14 @@ ITextMark::Priority ITextMark::priority() const
     return m_priority;
 }
 
+
+double ITextMark::widthFactor() const
+{
+    return 1.0;
+}
+
+
+
 QMap<QString, QString> ITextEditor::openedTextEditorsContents()
 {
     QMap<QString, QString> workingCopy;
diff --git a/src/plugins/texteditor/itexteditor.h b/src/plugins/texteditor/itexteditor.h
index 152f7b837a0..6be7e69e5a9 100644
--- a/src/plugins/texteditor/itexteditor.h
+++ b/src/plugins/texteditor/itexteditor.h
@@ -79,6 +79,7 @@ public:
     virtual void setIcon(const QIcon &icon);
     virtual Priority priority() const;
     virtual void setPriority(Priority prioriy);
+    virtual double widthFactor() const;
 
 private:
     QIcon m_icon;