diff --git a/build/scripts/actions/package.lua b/build/scripts/actions/package.lua
index 0797d5441..f1ddb5087 100644
--- a/build/scripts/actions/package.lua
+++ b/build/scripts/actions/package.lua
@@ -84,13 +84,13 @@ ACTION.Function = function ()
 	local libFileMasks
 	local exeFileExt
 	local exeFilterFunc
-	if (os.is("windows")) then	
+	if (os.ishost("windows")) then	
 		binFileMasks = {"**.dll", "**.pdb"}
 		libFileMasks = {"**.lib", "**.a"}
 		exeFileExt = ".exe"
 		exeFilterFunc = function (filePath) return true end
 	else
-		if (os.is("macosx")) then
+		if (os.ishost("macosx")) then
 			binFileMasks = {"**.dynlib"}
 		else
 			binFileMasks = {"**.so"}
@@ -183,14 +183,7 @@ ACTION.Function = function ()
 				end
 			end
 
-			local ok, err
-			if (os.is("windows")) then
-				ok, err = os.copyfile(v, targetPath)
-			else
-				-- Workaround: As premake is translating this to "cp %s %s", it fails if space are presents in source/destination paths.
-				ok, err = os.copyfile(string.format("\"%s\"", v), string.format("\"%s\"", targetPath))
-			end
-
+			local ok, err = os.copyfile(v, targetPath)
 			if (not ok) then
 				print("Failed to copy \"" .. v .. "\" to \"" .. targetPath .. "\": " .. err)
 			end