diff --git a/src/tools/text/texttool.cpp b/src/tools/text/texttool.cpp
index 977b07e9..7fea1bdf 100644
--- a/src/tools/text/texttool.cpp
+++ b/src/tools/text/texttool.cpp
@@ -132,11 +132,11 @@ void TextTool::undo(QPixmap& pixmap)
     QPainter p(&pixmap);
 #if (defined(Q_OS_MAC) || defined(Q_OS_MAC64) || defined(Q_OS_MACOS) ||        \
      defined(Q_OS_MACX))
-    // On edge borders MacOS returns nullptr instead of current screen,
-    // it means that we cannot get devicePixelRatio for the current screen,
-    // so we have no choice and have to save the whole screen in the
-    // history.
-    p.drawPixmap(QPoint(0, 0), m_pixmapBackup);
+    // Not sure how will it work on 4k and fullHd on Linux or Windows with a
+    // capture of different displays with different DPI, so let it be MacOS
+    // specific only.
+    const qreal pixelRatio = pixmap.devicePixelRatio();
+    p.drawPixmap(backupRect(pixmap).topLeft() / pixelRatio, m_pixmapBackup);
 #else
     p.drawPixmap(m_backupArea.topLeft(), m_pixmapBackup);
 #endif
@@ -153,21 +153,32 @@ void TextTool::process(QPainter& painter,
     QSize size(fm.boundingRect(QRect(), 0, m_text).size());
     m_backupArea.setSize(size);
     if (recordUndo) {
-#if (defined(Q_OS_MAC) || defined(Q_OS_MAC64) || defined(Q_OS_MACOS) ||        \
-     defined(Q_OS_MACX))
-        // On edge borders MacOS returns nullptr instead of current screen,
-        // it means that we cannot get devicePixelRatio for the current screen,
-        // so we have no choice and have to save the whole screen in the
-        // history.
-        m_pixmapBackup = pixmap;
-#else
-        m_pixmapBackup = pixmap.copy(m_backupArea + QMargins(0, 0, 5, 5));
-#endif
+        m_pixmapBackup = pixmap.copy(backupRect(pixmap));
     }
     // draw text
     painter.setFont(m_font);
     painter.setPen(m_color);
-    painter.drawText(m_backupArea + QMargins(-5, -5, 5, 5), m_text);
+    const int val = 5;
+    painter.drawText(m_backupArea + QMargins(-val, -val, val, val), m_text);
+}
+
+QRect TextTool::backupRect(const QPixmap& pixmap) const
+{
+    const QRect& limits = pixmap.rect();
+    QRect r = m_backupArea.normalized();
+#if (defined(Q_OS_MAC) || defined(Q_OS_MAC64) || defined(Q_OS_MACOS) ||        \
+     defined(Q_OS_MACX))
+    const qreal pixelRatio = pixmap.devicePixelRatio();
+    const int val = 5 * pixelRatio;
+    if (1 != pixelRatio) {
+        r.moveTo(r.topLeft() * pixelRatio);
+        r.setSize(r.size() * pixelRatio);
+    }
+#else
+    const int val = 5;
+#endif
+    r += QMargins(0, 0, val, val);
+    return r.intersected(limits);
 }
 
 void TextTool::paintMousePreview(QPainter& painter,
diff --git a/src/tools/text/texttool.h b/src/tools/text/texttool.h
index 136bf05e..11ff875a 100644
--- a/src/tools/text/texttool.h
+++ b/src/tools/text/texttool.h
@@ -51,6 +51,7 @@ public:
 
 protected:
     ToolType nameID() const override;
+    QRect backupRect(const QPixmap& pixmap) const;
 
 public slots:
     void drawEnd(const QPoint& p) override;