diff --git a/Makefile b/Makefile
index 31733847..e0d75d64 100644
--- a/Makefile
+++ b/Makefile
@@ -221,13 +221,13 @@ $(HOME)/.local/bin/lua:
 lua_modules/share/lua/$(LUA_VERSION)/cjson:
 # Only this particular version works:
 # https://github.com/mpx/lua-cjson/issues/56:
-	luarocks install --lua-version=$(LUA_VERSION) --tree=lua_modules/ lua-cjson 2.1.0-1
+	luarocks install --lua-dir=$(HOME)/.local --lua-version=$(LUA_VERSION) --tree=lua_modules/ lua-cjson 2.1.0-1
 
 lua_modules/share/lua/$(LUA_VERSION)/tinyyaml.lua:
-	luarocks install --lua-version=$(LUA_VERSION) --tree=lua_modules/ lua-tinyyaml
+	luarocks install --lua-dir=$(HOME)/.local --lua-version=$(LUA_VERSION) --tree=lua_modules/ lua-tinyyaml
 
 lua_modules/share/lua/$(LUA_VERSION)/liquid.lua:
-	luarocks install --lua-version=$(LUA_VERSION) --tree=lua_modules/ liquid
+	luarocks install --lua-dir=$(HOME)/.local --lua-version=$(LUA_VERSION) --tree=lua_modules/ liquid
 
 travis-uninstall-agda:
 	rm -rf $(HOME)/agda-$(AGDA_VERSION)/