diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc9d98b36..0dc4728d5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,13 +46,14 @@ if(WIN32)
 	set(BINDIR "bin")
 	set(DOCDIR "doc")
 elseif(APPLE)
+	# random placeholders
 	set(DATADIR "share/minetest")
 	set(BINDIR "bin")
 	set(DOCDIR "share/doc/minetest")
 elseif(UNIX)
-	set(DATADIR "share/minetest")
-	set(BINDIR "bin")
-	set(DOCDIR "share/doc/minetest")
+	set(DATADIR "/usr/share/minetest")
+	set(BINDIR "/usr/bin")
+	set(DOCDIR "/usr/share/doc/minetest")
 endif()
 
 install(FILES "doc/README.txt" DESTINATION "${DOCDIR}")