diff --git a/libethash-cl/ethash_cl_miner.cpp b/libethash-cl/ethash_cl_miner.cpp
index ec400f7a7..b12e4d9f8 100644
--- a/libethash-cl/ethash_cl_miner.cpp
+++ b/libethash-cl/ethash_cl_miner.cpp
@@ -416,6 +416,7 @@ bool ethash_cl_miner::init(
 
 void ethash_cl_miner::search(uint8_t const* header, uint64_t target, search_hook& hook, unsigned _msPerBatch)
 {
+	(void)_msPerBatch;
 	try
 	{
 		struct pending_batch