diff --git a/src/ifctester/README.md b/src/ifctester/README.md
index a7ec69d9d7..98c82ec22f 100644
--- a/src/ifctester/README.md
+++ b/src/ifctester/README.md
@@ -56,3 +56,8 @@ my_ids.validate(my_ifc)
 # show results:
 reporter.Console(my_ids).report()
 ```
+
+
+### ifctester web app
+
+Can be started by `cd webapp && python app.py`.
diff --git a/src/ifctester/webapp/app.py b/src/ifctester/webapp/app.py
index b6bb73a703..95e25b6b70 100644
--- a/src/ifctester/webapp/app.py
+++ b/src/ifctester/webapp/app.py
@@ -76,3 +76,7 @@ def audit():
     engine = ifctester.reporter.Json(specs)
     engine.report()
     return engine.to_string()
+
+
+if __name__ == "__main__":
+    app.run(debug=False)