diff --git a/openVulkanoCpp/Host/MacOS/SystemInfo.mm b/openVulkanoCpp/Host/MacOS/SystemInfo.mm
index b5d4d41..a5bf82f 100644
--- a/openVulkanoCpp/Host/MacOS/SystemInfo.mm
+++ b/openVulkanoCpp/Host/MacOS/SystemInfo.mm
@@ -62,29 +62,29 @@ namespace OpenVulkano
 		return 0;
 	}
 
-	std::string SystemInfo::GetUserName()
+	const std::string& SystemInfo::GetUserName()
 	{
 		return "";
 	}
 
-	std::string SystemInfo::GetHostName()
+	const std::string& SystemInfo::GetHostName()
 	{
 		static const std::string hostName = [[NSProcessInfo processInfo].hostName UTF8String];
 		return hostName;
 	}
 
-	std::string SystemInfo::GetDeviceName()
+	const std::string& SystemInfo::GetDeviceName()
 	{
 		static const std::string devName = "Mac"; //TODO
 		return devName;
 	}
 
-	std::string SystemInfo::GetDeviceVendorName()
+	const std::string& SystemInfo::GetDeviceVendorName()
 	{
 		return "Apple";
 	}
 
-	std::string SystemInfo::GetDeviceModelName()
+	const std::string& SystemInfo::GetDeviceModelName()
 	{
 		static std::string machine;
 		if (machine.empty())
@@ -96,7 +96,7 @@ namespace OpenVulkano
 		return machine;
 	}
 
-	std::string SystemInfo::GetOsName()
+	const std::string& SystemInfo::GetOsName()
 	{
 		return "MacOS";
 	}
@@ -113,7 +113,7 @@ namespace OpenVulkano
 		return osVersion;
 	}
 
-	std::string SystemInfo::GetOsNameHumanReadable()
+	const std::string& SystemInfo::GetOsNameHumanReadable()
 	{
 		static const std::string hrName = fmt::format("{} {}", GetOsName(), GetOsVersion().major);
 		return hrName;