diff --git a/libethash-cl/ethash_cl_miner.cpp b/libethash-cl/ethash_cl_miner.cpp
index f463fc939..3380f9379 100644
--- a/libethash-cl/ethash_cl_miner.cpp
+++ b/libethash-cl/ethash_cl_miner.cpp
@@ -108,7 +108,7 @@ string ethash_cl_miner::platform_info(unsigned _platformId, unsigned _deviceId)
 	if (devices.empty())
 	{
 		ETHCL_LOG("No OpenCL devices found.");
-		return string();
+		return {};
 	}
 
 	// use selected default device