--- CMakeLists.txt.orig	2018-12-23 19:11:31 UTC
+++ CMakeLists.txt
@@ -880,7 +880,8 @@ else(WIN32 AND NOT UNIX)
 
     set(APPS "\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${INSTALL_SUBDIR_BIN}/supertux2")
 
-    install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/data/images/engine/icons/supertux.png ${CMAKE_CURRENT_SOURCE_DIR}/data/images/engine/icons/supertux.xpm DESTINATION "share/pixmaps/")
+    install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/data/images/engine/icons/supertux.png DESTINATION "share/pixmaps/" RENAME supertux2.png)
+    install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/data/images/engine/icons/supertux.xpm DESTINATION "share/pixmaps/" RENAME supertux2.xpm)
     install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/supertux2.svg DESTINATION "share/icons/hicolor/scalable/apps")
 
   endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin" AND DISABLE_CPACK_BUNDLING)