diff --git a/Build.cs b/Build.cs
index d0c72be..8685259 100644
--- a/Build.cs
+++ b/Build.cs
@@ -221,7 +221,7 @@ public static int Main(string[] args)
 
         protected AbsolutePath ModulesLocalDirectory => ArtifactsDirectory / ModulesJsonDirectoryName;
         protected Project WebProject => Solution?.AllProjects.FirstOrDefault(x => x.Name.EndsWith(".Web") && !x.Path.ToString().Contains("samples") || x.Name.EndsWith("VirtoCommerce.Storefront") || x.Name.EndsWith("_build"));
-        protected AbsolutePath ModuleManifestFile => WebProject.Directory / "module.manifest";
+        protected AbsolutePath ModuleManifestFile => WebProject?.Directory / "module.manifest";
         protected AbsolutePath ModuleIgnoreFile => RootDirectory / "module.ignore";
 
         protected Microsoft.Build.Evaluation.Project MSBuildProject => WebProject?.GetMSBuildProject();