diff --git a/server/modules/filter/cache/storage/CMakeLists.txt b/server/modules/filter/cache/storage/CMakeLists.txt
index fbf6d7e57..52287a9f9 100644
--- a/server/modules/filter/cache/storage/CMakeLists.txt
+++ b/server/modules/filter/cache/storage/CMakeLists.txt
@@ -1 +1,2 @@
 add_subdirectory(storage_rocksdb)
+add_subdirectory(storage_inmemory)
diff --git a/server/modules/filter/cache/storage/storage_rocksdb/storage_rocksdb.cc b/server/modules/filter/cache/storage/storage_rocksdb/storage_rocksdb.cc
index 4de3d6868..8f68de876 100644
--- a/server/modules/filter/cache/storage/storage_rocksdb/storage_rocksdb.cc
+++ b/server/modules/filter/cache/storage/storage_rocksdb/storage_rocksdb.cc
@@ -53,6 +53,8 @@ CACHE_STORAGE* createInstance(cache_thread_model_t, // Ignored, RocksDB always M
     try
     {
         pStorage = reinterpret_cast<CACHE_STORAGE*>(RocksDBStorage::Create(zName, ttl, argc, argv));
+
+        MXS_NOTICE("Storage module created.");
     }
     catch (const std::bad_alloc&)
     {