diff --git a/src/Microsoft.DotNet.Arcade.Sdk/tools/SourceBuild/SourceBuildArcade.targets b/src/Microsoft.DotNet.Arcade.Sdk/tools/SourceBuild/SourceBuildArcade.targets
index f78c916ece0..33cc80d12f2 100644
--- a/src/Microsoft.DotNet.Arcade.Sdk/tools/SourceBuild/SourceBuildArcade.targets
+++ b/src/Microsoft.DotNet.Arcade.Sdk/tools/SourceBuild/SourceBuildArcade.targets
@@ -86,6 +86,10 @@
       <IntermediateNupkgArtifactFile Remove="$(CurrentRepoSourceBuildArtifactsPackagesDir)**\*.symbols.nupkg" />
     </ItemGroup>
 
+    <Error
+      Text="No source-build artifacts were found and the resulting intermediate is empty." 
+      Condition="'$(AllowEmptySourceBuiltIntermediates)' != 'true' and '@(IntermediateNupkgArtifactFile)' == ''" />
+    
     <ItemGroup>
       <IntermediateNupkgFile Include="@(IntermediateNupkgArtifactFile)" PackagePath="artifacts" />