diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index 95b25b4911..04b280d5a3 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -203,6 +203,14 @@ bool CheckSignatureEncoding(const std::vector<unsigned char> &vchSig, unsigned i
     if (vchSig.size() == 0) {
         return true;
     }
+
+    bool no_hash_byte = (flags & SCRIPT_NO_SIGHASH_BYTE) == SCRIPT_NO_SIGHASH_BYTE;
+    std::vector<unsigned char> vchSigCopy(vchSig.begin(), vchSig.begin() + vchSig.size());
+    // Push a dummy sighash byte to pass checks
+    if (no_hash_byte) {
+        vchSigCopy.push_back(SIGHASH_ALL);
+    }
+
     if ((flags & (SCRIPT_VERIFY_DERSIG | SCRIPT_VERIFY_LOW_S | SCRIPT_VERIFY_STRICTENC)) != 0 && !IsValidSignatureEncoding(vchSig)) {
         return set_error(serror, SCRIPT_ERR_SIG_DER);
     } else if ((flags & SCRIPT_VERIFY_LOW_S) != 0 && !IsLowDERSignature(vchSig, serror)) {
diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index 276ff9a58a..e1bd63bce9 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -115,6 +115,10 @@ enum
     // Making OP_CODESEPARATOR and FindAndDelete fail any non-segwit scripts
     //
     SCRIPT_VERIFY_CONST_SCRIPTCODE = (1U << 16),
+
+    // Signature checking assumes no sighash byte after the DER signature
+    //
+    SCRIPT_NO_SIGHASH_BYTE = (1U << 17),
 };
 
 bool CheckSignatureEncoding(const std::vector<unsigned char> &vchSig, unsigned int flags, ScriptError* serror);