diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae9bc62..64bcba3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,28 +92,16 @@ endif()
 
 install(TARGETS tenmon BUNDLE DESTINATION .)
 if(UNIX AND NOT APPLE)
+    include(GNUInstallDirs)
     find_program(XDG-DESKTOP-MENU_EXECUTABLE xdg-desktop-menu)
     if(XDG-DESKTOP-MENU_EXECUTABLE)
         install(SCRIPT install.cmake)
-        if(DEFINED ENV{FLATPAK_DEST})
-            install(FILES space.nouspiro.tenmon.svg DESTINATION "$ENV{FLATPAK_DEST}/share/icons/hicolor/scalable/apps")
-        else()
-            install(FILES space.nouspiro.tenmon.svg DESTINATION "/usr/share/icons/hicolor/scalable/apps")
-        endif()
     else()
-        if(DEFINED ENV{FLATPAK_DEST})
-            install(FILES space.nouspiro.tenmon.desktop DESTINATION "$ENV{FLATPAK_DEST}/share/applications")
-            install(FILES space.nouspiro.tenmon.png DESTINATION "$ENV{FLATPAK_DEST}/share/icons/hicolor/64x64/apps")
-            install(FILES space.nouspiro.tenmon.svg DESTINATION "$ENV{FLATPAK_DEST}/share/icons/hicolor/scalable/apps")
-        else()
-            install(FILES space.nouspiro.tenmon.desktop DESTINATION "/usr/share/applications")
-            install(FILES space.nouspiro.tenmon.png DESTINATION "/usr/share/icons/hicolor/64x64/apps")
-            install(FILES space.nouspiro.tenmon.svg DESTINATION "/usr/share/icons/hicolor/scalable/apps")
-        endif()
-    endif()
-    if(DEFINED ENV{FLATPAK_DEST})
-        install(FILES space.nouspiro.tenmon.metainfo.xml DESTINATION "$ENV{FLATPAK_DEST}/share/metainfo")
+        install(FILES space.nouspiro.tenmon.desktop DESTINATION "${CMAKE_INSTALL_DATADIR}/applications")
+        install(FILES space.nouspiro.tenmon.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/64x64/apps")
+        install(FILES space.nouspiro.tenmon_128.png DESTINATION "${CMAKE_INSTALL_DATADIR}/icons/hicolor/128x128/apps" RENAME space.nouspiro.tenmon.png)
     endif()
+    install(FILES space.nouspiro.tenmon.metainfo.xml DESTINATION "${CMAKE_INSTALL_DATADIR}/metainfo")
 endif(UNIX AND NOT APPLE)
 
 option(RELEASE_BUILD "Release build" OFF)
diff --git a/install.cmake b/install.cmake
index 36ed2ff..79c9634 100644
--- a/install.cmake
+++ b/install.cmake
@@ -2,3 +2,4 @@ find_program(XDG-DESKTOP-MENU_EXECUTABLE xdg-desktop-menu)
 find_program(XDG-ICON-RESOURCE_EXECUTABLE xdg-icon-resource)
 execute_process(COMMAND ${XDG-DESKTOP-MENU_EXECUTABLE} install --novendor space.nouspiro.tenmon.desktop WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
 execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --novendor --size 64 space.nouspiro.tenmon.png space.nouspiro.tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+execute_process(COMMAND ${XDG-ICON-RESOURCE_EXECUTABLE} install --novendor --size 128 space.nouspiro.tenmon_128.png space.nouspiro.tenmon WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
diff --git a/space.nouspiro.tenmon_128.png b/space.nouspiro.tenmon_128.png
new file mode 100644
index 0000000..29c78c1
Binary files /dev/null and b/space.nouspiro.tenmon_128.png differ