diff --git a/esp/bindings/http/platform/httpbinding.cpp b/esp/bindings/http/platform/httpbinding.cpp
index 1bf570588c4..b8065f2c128 100644
--- a/esp/bindings/http/platform/httpbinding.cpp
+++ b/esp/bindings/http/platform/httpbinding.cpp
@@ -1844,7 +1844,8 @@ int EspHttpBinding::onGetVersion(IEspContext &context, CHttpRequest* request, CH
 }
 
 void getServiceSchema(const char *serviceQName, const char *methodQName, double version, const char *nstr,
-                      const StringBuffer &xmlFilename,  Owned<IProperties> &params, EsdlXslTypeId EsdlXslType, StringBuffer &schema)
+                      const StringBuffer &xmlFilename,  Owned<IProperties> &params, EsdlXslTypeId EsdlXslType,
+                      IProperties *opts, StringBuffer &schema)
 {
     Owned<IEsdlDefinition> esdlDef;
     Owned<IEsdlDefinitionHelper> defHelper;
@@ -1856,13 +1857,13 @@ void getServiceSchema(const char *serviceQName, const char *methodQName, double
     xmlFilePath.append("esdl_files").append(PATHSEPSTR).append(xmlFilename.str());
     esdlDef->addDefinitionsFromFile(xmlFilePath.c_str());
     unsigned optFlags{DEPFLAG_COLLAPSE|DEPFLAG_ARRAYOF};
-    Owned<IEsdlDefObjectIterator> structs = esdlDef->getDependencies(serviceQName, methodQName, ";", version, nullptr, optFlags );
+    Owned<IEsdlDefObjectIterator> structs = esdlDef->getDependencies(serviceQName, methodQName, ";", version, opts, optFlags );
 
     StringBuffer xlstFile(getCFD());
     xlstFile.append("xslt").append(PATHSEPSTR).append("esp_service_xml2xsd.xslt");
 
     defHelper->loadTransform(xlstFile, params, EsdlXslType);
-    defHelper->toWSDL(*structs, schema, EsdlXslType, version, nullptr, nstr, optFlags);
+    defHelper->toWSDL(*structs, schema, EsdlXslType, version, opts, nstr, optFlags);
 }
 
 
@@ -1913,7 +1914,7 @@ int EspHttpBinding::getServiceWsdlOrXsd(IEspContext &context, CHttpRequest* requ
 
     StringBuffer schema;
     getServiceSchema(serviceQName.str(), methodQName.str(), version, nstr.str(), xmlFilename,
-                     params, isWsdl ? EsdlXslToWsdl : EsdlXslToXsd, schema);
+                     params, isWsdl ? EsdlXslToWsdl : EsdlXslToXsd, context.queryRequestParameters(), schema);
 
     response->setContent(schema.length(), schema.str());
     response->setContentType(HTTP_TYPE_APPLICATION_XML_UTF8);