1 files changed, 1 insertions, 1 deletions
diff --git a/src/key.h b/src/key.h
index 3863e95cff..f6f6d35d34 100644
--- a/src/key.h
+++ b/src/key.h
@@ -276,7 +276,7 @@ public:
     CPubKey GetPubKey() const;
 
     // Create a DER-serialized signature.
-    bool Sign(const uint256& hash, std::vector<unsigned char>& vchSig) const;
+    bool Sign(const uint256& hash, std::vector<unsigned char>& vchSig, bool lowS = true) const;
 
     // Create a compact signature (65 bytes), which allows reconstructing the used public key.
     // The format is one header byte, followed by two times 32 bytes for the serialized r and s values.