diff --git a/src/SerializedTransaction.cpp b/src/SerializedTransaction.cpp
index 67a067ea2e..a007be1122 100644
--- a/src/SerializedTransaction.cpp
+++ b/src/SerializedTransaction.cpp
@@ -136,9 +136,9 @@ bool SerializedTransaction::sign(const NewcoinAddress& naAccountPrivate)
 	return naAccountPrivate.accountPrivateSign(getSigningHash(), mSignature.peekValue());
 }
 
-bool SerializedTransaction::checkSign(const NewcoinAddress& naAccountPrivate) const
+bool SerializedTransaction::checkSign(const NewcoinAddress& naAccountPublic) const
 {
-	return naAccountPrivate.accountPrivateVerify(getSigningHash(), mSignature.getValue());
+	return naAccountPublic.accountPublicVerify(getSigningHash(), mSignature.getValue());
 }
 
 void SerializedTransaction::setSignature(const std::vector<unsigned char>& sig)
diff --git a/src/SerializedTransaction.h b/src/SerializedTransaction.h
index 5ce70312ed..fe03d1c181 100644
--- a/src/SerializedTransaction.h
+++ b/src/SerializedTransaction.h
@@ -112,7 +112,7 @@ public:
 	virtual Json::Value getJson(int options) const;
 
 	bool sign(const NewcoinAddress& naAccountPrivate);
-	bool checkSign(const NewcoinAddress& naAccountPrivate) const;
+	bool checkSign(const NewcoinAddress& naAccountPublic) const;
 };
 
 #endif