diff --git a/networks/ethereum/schnorr/contracts/Schnorr.sol b/networks/ethereum/schnorr/contracts/Schnorr.sol
index 69dc208a..247e0fbe 100644
--- a/networks/ethereum/schnorr/contracts/Schnorr.sol
+++ b/networks/ethereum/schnorr/contracts/Schnorr.sol
@@ -15,7 +15,7 @@ library Schnorr {
   // message := the message signed
   // c := Schnorr signature challenge
   // s := Schnorr signature solution
-  function verify(bytes32 px, bytes memory message, bytes32 c, bytes32 s)
+  function verify(bytes32 px, bytes32 message, bytes32 c, bytes32 s)
     internal
     pure
     returns (bool)
diff --git a/networks/ethereum/schnorr/contracts/tests/Schnorr.sol b/networks/ethereum/schnorr/contracts/tests/Schnorr.sol
index 11a3c3bc..412786a3 100644
--- a/networks/ethereum/schnorr/contracts/tests/Schnorr.sol
+++ b/networks/ethereum/schnorr/contracts/tests/Schnorr.sol
@@ -9,6 +9,6 @@ contract TestSchnorr {
     pure
     returns (bool)
   {
-    return Schnorr.verify(public_key, message, c, s);
+    return Schnorr.verify(public_key, keccak256(message), c, s);
   }
 }
diff --git a/networks/ethereum/schnorr/src/signature.rs b/networks/ethereum/schnorr/src/signature.rs
index cd467cea..1af1d60f 100644
--- a/networks/ethereum/schnorr/src/signature.rs
+++ b/networks/ethereum/schnorr/src/signature.rs
@@ -38,7 +38,7 @@ impl Signature {
       &Keccak256::digest(x_and_y_coordinates)[12 ..]
     });
     hash.update(key.eth_repr());
-    hash.update(message);
+    hash.update(Keccak256::digest(message));
     <Scalar as Reduce<KU256>>::reduce_bytes(&hash.finalize())
   }