diff --git a/Barotrauma/BarotraumaServer/MacServer.csproj b/Barotrauma/BarotraumaServer/MacServer.csproj
index 9d9680c52..2a6b0e42f 100644
--- a/Barotrauma/BarotraumaServer/MacServer.csproj
+++ b/Barotrauma/BarotraumaServer/MacServer.csproj
@@ -1,3 +1,4 @@
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>