diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index 8ba0018c23c..e2fb1998f0b 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -240,7 +240,7 @@ extern const HashWriter HASHER_TAPLEAF;    //!< Hasher with tag "TapLeaf" pre-fe
 extern const HashWriter HASHER_TAPBRANCH;  //!< Hasher with tag "TapBranch" pre-fed to it.
 
 template <class T>
-uint256 SignatureHash(const CScript& scriptCode, const T& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache = nullptr);
+uint256 SignatureHash(const CScript& scriptCode, const T& txTo, unsigned int nIn, int32_t nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache = nullptr);
 
 class BaseSignatureChecker
 {