diff --git a/db/db.cpp b/db/db.cpp
index c132ef938f6..3977281a4ff 100644
--- a/db/db.cpp
+++ b/db/db.cpp
@@ -315,11 +315,13 @@ namespace mongo {
             log() << "opLogging = " << opLogging << endl;
         _oplog.init();
 
+#if defined(_RECSTORE)
         {
             stringstream indexpath;
             indexpath << dbpath << "/indexes.dat";
             RecCache::tempStore.init(indexpath.str().c_str(), BucketSize);
         }
+#endif
 
 #if !defined(_WIN32)
         pid_t pid = 0;
diff --git a/db/rec.h b/db/rec.h
index 6d53185a83c..bd45470e75d 100644
--- a/db/rec.h
+++ b/db/rec.h
@@ -58,8 +58,11 @@ public:
 */
 
 // pick your store for indexes by setting this typedef
+#if defined(_RECSTORE)
+typedef BasicCached_RecStore BtreeStore;
+#else
 typedef MongoMemMapped_RecStore BtreeStore;
-//typedef BasicCached_RecStore BtreeStore;
+#endif
 //typedef InMem_RecStore BtreeStore;
 
 const int BucketSize = 8192;