diff --git a/RedBookPlayer.GUI/RedBookPlayer.GUI.csproj b/RedBookPlayer.GUI/RedBookPlayer.GUI.csproj
index 22e946e..c0be0a2 100644
--- a/RedBookPlayer.GUI/RedBookPlayer.GUI.csproj
+++ b/RedBookPlayer.GUI/RedBookPlayer.GUI.csproj
@@ -9,6 +9,7 @@
   <PropertyGroup Condition="'$(RuntimeIdentifier)|$(Configuration)' == 'win-x64|Debug'">
     <DefineConstants>WindowsDebug</DefineConstants>
   </PropertyGroup>
+
   <ItemGroup>
     <Compile Update="**\*.xaml.cs">
       <DependentUpon>%(Filename)</DependentUpon>
diff --git a/RedBookPlayer.Models/Hardware/SoundOutput.cs b/RedBookPlayer.Models/Hardware/SoundOutput.cs
index ed6c71d..27a1047 100644
--- a/RedBookPlayer.Models/Hardware/SoundOutput.cs
+++ b/RedBookPlayer.Models/Hardware/SoundOutput.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using ReactiveUI;
 using RedBookPlayer.Models.Discs;
@@ -118,7 +119,6 @@ namespace RedBookPlayer.Models.Hardware
             Volume = defaultVolume;
             _filterStage = new FilterStage();
         }
-        
 
         /// <summary>
         /// Initialize the output with a given image
@@ -367,13 +367,10 @@ namespace RedBookPlayer.Models.Hardware
             {
                 _source = new PlayerSource(ProviderRead);
 
-#if LINUX
-                _soundOut = new Linux.AudioBackend(_source);
-#elif MACOS
-                _soundOut = new Mac.AudioBackend(_source);
-#elif WINDOWS
-                _soundOut = new Windows.AudioBackend(_source);
-#endif
+                if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+                    _soundOut = new Linux.AudioBackend(_source);
+                else if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                    _soundOut = new Windows.AudioBackend(_source);
             }
             else
             {
diff --git a/RedBookPlayer.Models/RedBookPlayer.Models.csproj b/RedBookPlayer.Models/RedBookPlayer.Models.csproj
index 4b505f2..c0a4c68 100644
--- a/RedBookPlayer.Models/RedBookPlayer.Models.csproj
+++ b/RedBookPlayer.Models/RedBookPlayer.Models.csproj
@@ -2,19 +2,11 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RuntimeIdentifiers>win-x64;linux-x64</RuntimeIdentifiers>
+    <RuntimeIdentifier>linux-x64</RuntimeIdentifier>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(RuntimeIdentifier)' == 'linux-x64'">
-    <DefineConstants>LINUX</DefineConstants>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(RuntimeIdentifier)' == 'osx-x64'">
-    <DefineConstants>MAC</DefineConstants>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(RuntimeIdentifier)' == 'win-x64'">
-    <DefineConstants>WINDOWS</DefineConstants>
-  </PropertyGroup>
-
   <ItemGroup>
     <PackageReference Include="Aaru.CommonTypes" Version="5.3.0" />
     <PackageReference Include="Aaru.Decoders" Version="5.3.0" />