2 files changed, 3 insertions, 3 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 36baf930a5..d376f42beb 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2414,7 +2414,7 @@ set< set<CTxDestination> > CWallet::GetAddressGroupings()
     return ret;
 }
 
-set<CTxDestination> CWallet::GetAccountAddresses(string strAccount) const
+std::set<CTxDestination> CWallet::GetAccountAddresses(const std::string& strAccount) const
 {
     LOCK(cs_wallet);
     set<CTxDestination> result;
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index b0da92cfd1..2bedad3fca 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -496,7 +496,7 @@ public:
         SetNull();
     }
 
-    CWallet(std::string strWalletFileIn)
+    CWallet(const std::string& strWalletFileIn)
     {
         SetNull();
 
@@ -645,7 +645,7 @@ public:
     std::set< std::set<CTxDestination> > GetAddressGroupings();
     std::map<CTxDestination, CAmount> GetAddressBalances();
 
-    std::set<CTxDestination> GetAccountAddresses(std::string strAccount) const;
+    std::set<CTxDestination> GetAccountAddresses(const std::string& strAccount) const;
 
     isminetype IsMine(const CTxIn& txin) const;
     CAmount GetDebit(const CTxIn& txin, const isminefilter& filter) const;