diff --git a/src/aeminer_pow_cuckoo.erl b/src/aeminer_pow_cuckoo.erl
index 7d27831..f79a6e1 100644
--- a/src/aeminer_pow_cuckoo.erl
+++ b/src/aeminer_pow_cuckoo.erl
@@ -106,12 +106,10 @@
        (is_integer(EdgeBits) and (EdgeBits > 0)) and
        (is_list(Instances) or (Instances =:= undefined))).
 
--define(LOG_SINK, (application:get_env(aeminer, lager_log_sink, lager))).
-
--define(debug(F, A), ?LOG_SINK:debug(F, A)).
--define(info(F, A),  ?LOG_SINK:info(F, A)).
--define(warning(F, A), ?LOG_SINK:warning(F, A)).
--define(error(F, A), ?LOG_SINK:error(F, A)).
+-define(debug(F, A), aeminer:debug(F, A)).
+-define(info(F, A),  aeminer:info(F, A)).
+-define(warning(F, A), aeminer:warning(F, A)).
+-define(error(F, A), aeminer:error(F, A)).
 
 %%%=============================================================================
 %%% API