diff --git a/CMakeLists.txt b/CMakeLists.txt
index c696431..8ec0631 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -211,7 +211,7 @@ install(PROGRAMS ${CMAKE_BINARY_DIR}/chewing-editor DESTINATION ${CMAKE_INSTALL_
 
 # icon
 install(FILES ${CMAKE_SOURCE_DIR}/share/icons/chewing-editor.svg DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps)
-install(FILES ${CMAKE_SOURCE_DIR}/rc/chewing-editor.png DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/256/apps)
+install(FILES ${CMAKE_SOURCE_DIR}/rc/chewing-editor.png DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/256x256/apps)
 
 # manpage
 find_program(HELP2MAN help2man)