diff --git a/base/AlsaCtlPortConfig.cpp b/base/AlsaCtlPortConfig.cpp
index 387cd7e..a799a0c 100644
--- a/base/AlsaCtlPortConfig.cpp
+++ b/base/AlsaCtlPortConfig.cpp
@@ -55,7 +55,7 @@ AlsaCtlPortConfig::AlsaCtlPortConfig(const string &mappingValue,
 
 }
 
-bool AlsaCtlPortConfig::receiveFromHW(string &error)
+bool AlsaCtlPortConfig::receiveFromHW(string &/*error*/)
 {
     blackboardWrite(&_portConfig, sizeof(_portConfig));