diff --git a/plugins/project_compile/project_compile.py b/plugins/project_compile/project_compile.py
index 5a66b343..bd17e798 100644
--- a/plugins/project_compile/project_compile.py
+++ b/plugins/project_compile/project_compile.py
@@ -1194,6 +1194,13 @@ def build_web(self):
             shutil.rmtree(dst_dir)
         shutil.copytree(src_dir, dst_dir)
 
+        # copy manifest.webapp
+        manifest_src = os.path.join(project_dir, 'manifest.webapp')
+        manifest_dst = os.path.join(publish_dir, 'manifest.webapp')
+        if os.path.exists(manifest_src):
+            if os.path.exists(manifest_dst):
+                os.remove(manifest_dst)
+            shutil.copy2(manifest_src, manifest_dst)
 
 
     def build_linux(self):