1 files changed, 2 insertions, 0 deletions

diff --git a/src/WixToolset.BuildTasks/HeatTask_InProc.cs b/src/WixToolset.BuildTasks/HeatTask_InProc.cs
index a21a8409..48ee9e02 100644
--- a/src/WixToolset.BuildTasks/HeatTask_InProc.cs
+++ b/src/WixToolset.BuildTasks/HeatTask_InProc.cs
@@ -10,6 +10,8 @@ namespace WixToolset.BuildTasks
 
     public partial class HeatTask
     {
+        public override bool RunAsSeparateProcess { get => true; }
+
         protected sealed override string TaskShortName => "HEAT";
 
         protected sealed override Task<int> ExecuteCoreAsync(IWixToolsetCoreServiceProvider coreProvider, string commandLineString, CancellationToken cancellationToken) => throw new NotImplementedException();