diff --git a/equinox-projector/Projector/Projector.fsproj b/equinox-projector/Projector/Projector.fsproj
index dda97b563..760f32ef1 100644
--- a/equinox-projector/Projector/Projector.fsproj
+++ b/equinox-projector/Projector/Projector.fsproj
@@ -4,6 +4,7 @@
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <WarningLevel>5</WarningLevel>
+    <DefineConstants>kafka</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>