diff --git a/src/gui/properties/downloadedpiecesbar.cpp b/src/gui/properties/downloadedpiecesbar.cpp
index 0f1ec8cea..305baad9f 100644
--- a/src/gui/properties/downloadedpiecesbar.cpp
+++ b/src/gui/properties/downloadedpiecesbar.cpp
@@ -36,11 +36,16 @@
 #include <QList>
 
 #include "base/global.h"
+#include "gui/uithememanager.h"
 
 namespace
 {
     QColor dlPieceColor(const QColor &pieceColor)
     {
+        const QColor color = UIThemeManager::instance()->getColor(u"PiecesBar.PartialPiece"_s);
+        if (color.isValid())
+            return color;
+
         const QColor green {Qt::green};
         return QColor::fromHsl(green.hslHue(), pieceColor.hslSaturation(), pieceColor.lightness());
     }
diff --git a/src/gui/properties/piecesbar.cpp b/src/gui/properties/piecesbar.cpp
index 87b941493..edfbd1786 100644
--- a/src/gui/properties/piecesbar.cpp
+++ b/src/gui/properties/piecesbar.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2024-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2016  Eugene Shalygin
  * Copyright (C) 2006  Christophe Dumez
  *
@@ -42,6 +42,7 @@
 #include "base/indexrange.h"
 #include "base/path.h"
 #include "base/utils/misc.h"
+#include "gui/uithememanager.h"
 
 namespace
 {
@@ -216,17 +217,20 @@ void PiecesBar::redraw()
 
 QColor PiecesBar::backgroundColor() const
 {
-    return palette().color(QPalette::Active, QPalette::Base);
+    const QColor color = UIThemeManager::instance()->getColor(u"PiecesBar.MissingPiece"_s);
+    return color.isValid() ? color : palette().color(QPalette::Active, QPalette::Base);
 }
 
 QColor PiecesBar::borderColor() const
 {
-    return palette().color(QPalette::Active, QPalette::Dark);
+    const QColor color = UIThemeManager::instance()->getColor(u"PiecesBar.Border"_s);
+    return color.isValid() ? color : palette().color(QPalette::Active, QPalette::Dark);
 }
 
 QColor PiecesBar::pieceColor() const
 {
-    return palette().color(QPalette::Active, QPalette::Highlight);
+    const QColor color = UIThemeManager::instance()->getColor(u"PiecesBar.Piece"_s);
+    return color.isValid() ? color : palette().color(QPalette::Active, QPalette::Highlight);
 }
 
 QColor PiecesBar::highlightedPieceColor() const
diff --git a/src/gui/uithemecommon.h b/src/gui/uithemecommon.h
index ba7a5c2c5..0be241fb3 100644
--- a/src/gui/uithemecommon.h
+++ b/src/gui/uithemecommon.h
@@ -80,7 +80,12 @@ inline QHash<QString, UIThemeColor> defaultUIThemeColors()
         {u"TransferList.StoppedUploading"_s, {Color::Primer::Light::doneFg, Color::Primer::Dark::doneFg}},
         {u"TransferList.Moving"_s, {Color::Primer::Light::successFg, Color::Primer::Dark::successFg}},
         {u"TransferList.MissingFiles"_s, {Color::Primer::Light::dangerFg, Color::Primer::Dark::dangerFg}},
-        {u"TransferList.Error"_s, {Color::Primer::Light::dangerFg, Color::Primer::Dark::dangerFg}}
+        {u"TransferList.Error"_s, {Color::Primer::Light::dangerFg, Color::Primer::Dark::dangerFg}},
+
+        {u"PiecesBar.Border"_s, {{}, {}}},
+        {u"PiecesBar.Piece"_s, {{}, {}}},
+        {u"PiecesBar.PartialPiece"_s, {{}, {}}},
+        {u"PiecesBar.MissingPiece"_s, {{}, {}}}
     };
 }