diff --git a/tidal_dl_ng/gui.py b/tidal_dl_ng/gui.py
index 80dc07e..6263c76 100644
--- a/tidal_dl_ng/gui.py
+++ b/tidal_dl_ng/gui.py
@@ -5,7 +5,7 @@
 #    nuitka-project: --macos-signed-app-name=com.exislow.TidalDlNg
 #    nuitka-project: --macos-app-mode=gui
 # nuitka-project-if: {OS} in ("Linux", "FreeBSD"):
-#    nuitka-project: --linux-icon=tidal_dl_ng/ui/icon.png
+#    nuitka-project: --linux-icon=tidal_dl_ng/ui/icon512.png
 # nuitka-project-if: {OS} in ("Windows"):
 #    nuitka-project: --windows-icon-from-ico=tidal_dl_ng/ui/icon.ico
 #    nuitka-project: --file-description="TIDAL media downloader next generation."
@@ -1692,9 +1692,14 @@ def gui_activate(tidal: Tidal | None = None):
     qdarktheme.setup_theme(additional_qss="QToolTip { border: 0px; }")
 
     # Create icon object and apply it to app window.
-    pixmap: QtGui.QPixmap = QtGui.QPixmap("tidal_dl_ng/ui/icon.png")
-    icon: QtGui.QIcon = QtGui.QIcon(pixmap)
+    icon: QtGui.QIcon = QtGui.QIcon()
 
+    icon.addFile("tidal_dl_ng/ui/icon16.png", QtCore.QSize(16, 16))
+    icon.addFile("tidal_dl_ng/ui/icon32.png", QtCore.QSize(32, 32))
+    icon.addFile("tidal_dl_ng/ui/icon48.png", QtCore.QSize(48, 48))
+    icon.addFile("tidal_dl_ng/ui/icon64.png", QtCore.QSize(64, 64))
+    icon.addFile("tidal_dl_ng/ui/icon256.png", QtCore.QSize(256, 256))
+    icon.addFile("tidal_dl_ng/ui/icon512.png", QtCore.QSize(512, 512))
     app.setWindowIcon(icon)
 
     # This bit gets the taskbar icon working properly in Windows
diff --git a/tidal_dl_ng/ui/icon.icns b/tidal_dl_ng/ui/icon.icns
index e41a4f3..2c966b6 100644
Binary files a/tidal_dl_ng/ui/icon.icns and b/tidal_dl_ng/ui/icon.icns differ
diff --git a/tidal_dl_ng/ui/icon.ico b/tidal_dl_ng/ui/icon.ico
index 177f3dc..3c55257 100644
Binary files a/tidal_dl_ng/ui/icon.ico and b/tidal_dl_ng/ui/icon.ico differ
diff --git a/tidal_dl_ng/ui/icon.png b/tidal_dl_ng/ui/icon.png
deleted file mode 100644
index 8bc9e0d..0000000
Binary files a/tidal_dl_ng/ui/icon.png and /dev/null differ
diff --git a/tidal_dl_ng/ui/icon16.png b/tidal_dl_ng/ui/icon16.png
new file mode 100644
index 0000000..51e6192
Binary files /dev/null and b/tidal_dl_ng/ui/icon16.png differ
diff --git a/tidal_dl_ng/ui/icon256.png b/tidal_dl_ng/ui/icon256.png
new file mode 100644
index 0000000..269fd9c
Binary files /dev/null and b/tidal_dl_ng/ui/icon256.png differ
diff --git a/tidal_dl_ng/ui/icon32.png b/tidal_dl_ng/ui/icon32.png
new file mode 100644
index 0000000..2a888da
Binary files /dev/null and b/tidal_dl_ng/ui/icon32.png differ
diff --git a/tidal_dl_ng/ui/icon48.png b/tidal_dl_ng/ui/icon48.png
new file mode 100644
index 0000000..3a6e32b
Binary files /dev/null and b/tidal_dl_ng/ui/icon48.png differ
diff --git a/tidal_dl_ng/ui/icon512.png b/tidal_dl_ng/ui/icon512.png
new file mode 100644
index 0000000..7d9b386
Binary files /dev/null and b/tidal_dl_ng/ui/icon512.png differ
diff --git a/tidal_dl_ng/ui/icon64.png b/tidal_dl_ng/ui/icon64.png
new file mode 100644
index 0000000..9116c89
Binary files /dev/null and b/tidal_dl_ng/ui/icon64.png differ