diff --git a/src/core_read.cpp b/src/core_read.cpp
index dfabf3a0c2f..ffc4bb49656 100644
--- a/src/core_read.cpp
+++ b/src/core_read.cpp
@@ -257,6 +257,6 @@ util::Result<int> SighashFromStr(const std::string& sighash)
     if (it != map_sighash_values.end()) {
         return it->second;
     } else {
-        return util::Error{Untranslated(sighash + " is not a valid sighash parameter.")};
+        return util::Error{Untranslated("'" + sighash + "' is not a valid sighash parameter.")};
     }
 }
diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
index 60df48f025c..d9d8eaf759f 100755
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -889,7 +889,7 @@ class PSBTTest(BitcoinTestFramework):
             assert_equal(comb_psbt, psbt)
 
         self.log.info("Test walletprocesspsbt raises if an invalid sighashtype is passed")
-        assert_raises_rpc_error(-8, "all is not a valid sighash parameter.", self.nodes[0].walletprocesspsbt, psbt, sighashtype="all")
+        assert_raises_rpc_error(-8, "'all' is not a valid sighash parameter.", self.nodes[0].walletprocesspsbt, psbt, sighashtype="all")
 
         self.log.info("Test decoding PSBT with per-input preimage types")
         # note that the decodepsbt RPC doesn't check whether preimages and hashes match
@@ -996,7 +996,7 @@ class PSBTTest(BitcoinTestFramework):
         self.nodes[2].sendrawtransaction(processed_psbt['hex'])
 
         self.log.info("Test descriptorprocesspsbt raises if an invalid sighashtype is passed")
-        assert_raises_rpc_error(-8, "all is not a valid sighash parameter.", self.nodes[2].descriptorprocesspsbt, psbt, [descriptor], sighashtype="all")
+        assert_raises_rpc_error(-8, "'all' is not a valid sighash parameter.", self.nodes[2].descriptorprocesspsbt, psbt, [descriptor], sighashtype="all")
 
 
 if __name__ == '__main__':
diff --git a/test/functional/rpc_signrawtransactionwithkey.py b/test/functional/rpc_signrawtransactionwithkey.py
index 0913f5057e5..268584331ec 100755
--- a/test/functional/rpc_signrawtransactionwithkey.py
+++ b/test/functional/rpc_signrawtransactionwithkey.py
@@ -124,7 +124,7 @@ class SignRawTransactionWithKeyTest(BitcoinTestFramework):
         self.log.info("Test signing transaction with invalid sighashtype")
         tx = self.nodes[0].createrawtransaction(INPUTS, OUTPUTS)
         privkeys = [self.nodes[0].get_deterministic_priv_key().key]
-        assert_raises_rpc_error(-8, "all is not a valid sighash parameter.", self.nodes[0].signrawtransactionwithkey, tx, privkeys, sighashtype="all")
+        assert_raises_rpc_error(-8, "'all' is not a valid sighash parameter.", self.nodes[0].signrawtransactionwithkey, tx, privkeys, sighashtype="all")
 
     def run_test(self):
         self.successful_signing_test()
diff --git a/test/functional/wallet_signrawtransactionwithwallet.py b/test/functional/wallet_signrawtransactionwithwallet.py
index d560dfdc11c..17aef1ca971 100755
--- a/test/functional/wallet_signrawtransactionwithwallet.py
+++ b/test/functional/wallet_signrawtransactionwithwallet.py
@@ -56,7 +56,7 @@ class SignRawTransactionWithWalletTest(BitcoinTestFramework):
 
     def test_with_invalid_sighashtype(self):
         self.log.info("Test signrawtransactionwithwallet raises if an invalid sighashtype is passed")
-        assert_raises_rpc_error(-8, "all is not a valid sighash parameter.", self.nodes[0].signrawtransactionwithwallet, hexstring=RAW_TX, sighashtype="all")
+        assert_raises_rpc_error(-8, "'all' is not a valid sighash parameter.", self.nodes[0].signrawtransactionwithwallet, hexstring=RAW_TX, sighashtype="all")
 
     def script_verification_error_test(self):
         """Create and sign a raw transaction with valid (vin 0), invalid (vin 1) and one missing (vin 2) input script.