diff --git a/server/modules/filter/cache/test/test_cacheoptions.cc b/server/modules/filter/cache/test/test_cacheoptions.cc
index 0b3e46dbf..dda31fd30 100644
--- a/server/modules/filter/cache/test/test_cacheoptions.cc
+++ b/server/modules/filter/cache/test/test_cacheoptions.cc
@@ -158,7 +158,7 @@ int test(mock::Session& session,
     pStatement = mock::create_com_query(select);
 
     cout << "Performing select: \"" << select << "\"" << flush;
-    filter_session.routeQuery(pStatement);
+    session.route_query(pStatement);
 
     if (!router_session.idle())
     {
@@ -176,7 +176,7 @@ int test(mock::Session& session,
         pStatement = mock::create_com_query(select);
 
         cout << "Performing same select: \"" << select << "\"" << flush;
-        filter_session.routeQuery(pStatement);
+        session.route_query(pStatement);
 
         if (tc.should_use)
         {
@@ -216,7 +216,7 @@ int test(mock::Session& session,
             pStatement = mock::create_com_query("UPDATE tbl SET a=1;");
 
             cout << "Performing update: \"" << update << "\"" << flush;
-            filter_session.routeQuery(pStatement);
+            session.route_query(pStatement);
 
             if (router_session.idle())
             {
@@ -233,7 +233,7 @@ int test(mock::Session& session,
                 pStatement = mock::create_com_query(select);
 
                 cout << "Performing select: \"" << select << "\"" << flush;
-                filter_session.routeQuery(pStatement);
+                session.route_query(pStatement);
 
                 if (router_session.idle())
                 {
@@ -260,7 +260,7 @@ int test(mock::Session& session,
         pStatement = mock::create_com_query(select);
 
         cout << "Performing select: \"" << select << "\"" << flush;
-        filter_session.routeQuery(pStatement);
+        session.route_query(pStatement);
 
         if (router_session.idle())
         {
diff --git a/server/modules/filter/test/filtermodule.cc b/server/modules/filter/test/filtermodule.cc
index 956007d1c..c73338d7e 100644
--- a/server/modules/filter/test/filtermodule.cc
+++ b/server/modules/filter/test/filtermodule.cc
@@ -72,6 +72,11 @@ auto_ptr<FilterModule::Session> FilterModule::Instance::newSession(MXS_SESSION*
 
     if (pFilter_session)
     {
+        // TODO: Won't work with multiple filters in chain.
+        pSession->head.instance = m_pInstance;
+        pSession->head.session = pFilter_session;
+        pSession->head.routeQuery = m_module.m_pApi->routeQuery;
+
         sFilter_session.reset(new Session(this, pFilter_session));
     }
 
diff --git a/server/modules/filter/test/maxscale/mock/session.hh b/server/modules/filter/test/maxscale/mock/session.hh
index 0c1fc6175..8afdc1c3a 100644
--- a/server/modules/filter/test/maxscale/mock/session.hh
+++ b/server/modules/filter/test/maxscale/mock/session.hh
@@ -66,6 +66,11 @@ public:
         session_set_trx_state(this, state);
     }
 
+    bool route_query(GWBUF* pBuffer)
+    {
+        return session_route_query(this, pBuffer);
+    }
+
 private:
     Client&       m_client;
     Dcb           m_client_dcb;