diff --git a/build.proj b/build.proj
index f9c9390de..72e630f05 100644
--- a/build.proj
+++ b/build.proj
@@ -9,6 +9,7 @@
   <Target Name="BuildAllProjects">
     <RemoveDir Directories="$(OutputPath)" Condition="Exists('$(MSBuildThisFileDirectory)\build')" />
     <Exec Command="dotnet build &quot;$(MSBuildThisFileDirectory)src\coverlet.msbuild.tasks\coverlet.msbuild.tasks.csproj&quot; -c $(Configuration)" />
+    <Exec Command="dotnet build &quot;$(MSBuildThisFileDirectory)src\coverlet.console\coverlet.console.csproj&quot; -c $(Configuration)" />
   </Target>
 
   <Target Name="PublishMSBuildTaskProject" AfterTargets="BuildAllProjects">
diff --git a/src/coverlet.console/Program.cs b/src/coverlet.console/Program.cs
index 867bd131d..3f2ac498a 100644
--- a/src/coverlet.console/Program.cs
+++ b/src/coverlet.console/Program.cs
@@ -34,6 +34,7 @@ static int Main(string[] args)
             CommandOption excludeFilters = app.Option("--exclude", "Filter expressions to exclude specific modules and types.", CommandOptionType.MultipleValue);
             CommandOption includeFilters = app.Option("--include", "Filter expressions to include only specific modules and types.", CommandOptionType.MultipleValue);
             CommandOption excludedSourceFiles = app.Option("--exclude-by-file", "Glob patterns specifying source files to exclude.", CommandOptionType.MultipleValue);
+            CommandOption mergeWith = app.Option("--merge-with", "Path to existing coverage result to merge.", CommandOptionType.SingleValue);
 
             app.OnExecute(() =>
             {
@@ -43,7 +44,7 @@ static int Main(string[] args)
                 if (!target.HasValue())
                     throw new CommandParsingException(app, "Target must be specified.");
 
-                Coverage coverage = new Coverage(module.Value, excludeFilters.Values.ToArray(), includeFilters.Values.ToArray(), excludedSourceFiles.Values.ToArray());
+                Coverage coverage = new Coverage(module.Value, excludeFilters.Values.ToArray(), includeFilters.Values.ToArray(), excludedSourceFiles.Values.ToArray(), mergeWith.Value());
                 coverage.PrepareModules();
 
                 Process process = new Process();