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-rw-r--r--src/instrument.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/instrument.cc b/src/instrument.cc
index 9dec687..9f18233 100644
--- a/src/instrument.cc
+++ b/src/instrument.cc
@@ -153,7 +153,7 @@ std::string Instrument::getGroup() const
return _group;
}
-void Instrument::setGroup(std::string g)
+void Instrument::setGroup(const std::string& g)
{
_group = g;
}