diff --git a/src/lsm_btree_level.erl b/src/lsm_btree_level.erl
index 02286f8..819c208 100644
--- a/src/lsm_btree_level.erl
+++ b/src/lsm_btree_level.erl
@@ -364,7 +364,7 @@ begin_merge(State) ->
     file:delete(XFileName),
 
     MergePID = proc_lib:spawn_link(fun() ->
-                       {ok, OutCount} = lsm_btree_merger2:merge(AFileName, BFileName, XFileName,
+                       {ok, OutCount} = lsm_btree_merger:merge(AFileName, BFileName, XFileName,
                                                                    1 bsl (State#state.level + 1),
                                                                    State#state.next =:= undefined),
 %                       error_logger:info_msg("merge done ~p,~p -> ~p~n", [AFileName, BFileName, XFileName]),
diff --git a/src/lsm_btree_merger.erl b/src/lsm_btree_merger.erl
index c883717..58cab47 100644
--- a/src/lsm_btree_merger.erl
+++ b/src/lsm_btree_merger.erl
@@ -1,4 +1,4 @@
--module(lsm_btree_merger2).
+-module(lsm_btree_merger).
 
 %%
 %% Merging two BTrees
diff --git a/test/lsm_btree_merger_tests.erl b/test/lsm_btree_merger_tests.erl
index 6e5d5da..520e72f 100644
--- a/test/lsm_btree_merger_tests.erl
+++ b/test/lsm_btree_merger_tests.erl
@@ -31,7 +31,7 @@ merge_test() ->
     ok = lsm_btree_writer:close(BT2),
 
 
-    {Time,{ok,Count}} = timer:tc(lsm_btree_merger2, merge, ["test1", "test2", "test3", 10000, true]),
+    {Time,{ok,Count}} = timer:tc(lsm_btree_merger, merge, ["test1", "test2", "test3", 10000, true]),
 
     error_logger:info_msg("time to merge: ~p/sec (time=~p, count=~p)~n", [1000000/(Time/Count), Time/1000000, Count]),