diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 554090a4c..3eab069fb 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -1562,7 +1562,7 @@ void CWallet::UnsetWalletFlagWithDB(WalletBatch& batch, uint64_t flag)
         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
 }
 
-bool CWallet::IsWalletFlagSet(uint64_t flag)
+bool CWallet::IsWalletFlagSet(uint64_t flag) const
 {
     return (m_wallet_flags & flag);
 }
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 56046e421..bd3d721dd 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -1288,7 +1288,7 @@ public:
     void UnsetWalletFlag(uint64_t flag);
 
     /** check if a certain wallet flag is set */
-    bool IsWalletFlagSet(uint64_t flag);
+    bool IsWalletFlagSet(uint64_t flag) const;
 
     /** overwrite all flags by the given uint64_t
        returns false if unknown, non-tolerable flags are present */