diff --git a/signature.go b/signature.go
index adcead0f..edbd3232 100644
--- a/signature.go
+++ b/signature.go
@@ -43,7 +43,7 @@ func ParseSignature(sigStr []byte, curve elliptic.Curve) (*Signature, error) {
 	// length of remaining message
 	siglen := sigStr[index]
 	index++
-	if int(siglen+2) != len(sigStr) {
+	if int(siglen+2) > len(sigStr) {
 		return nil, errors.New("malformed signature: bad length")
 	}
 	// trim the slice we're working on so we only look at what matters.
diff --git a/signature_test.go b/signature_test.go
index c52b3425..33ff8a4c 100644
--- a/signature_test.go
+++ b/signature_test.go
@@ -151,7 +151,13 @@ var signatureTests = []signatureTest{
 			0x9d, 0x83, 0x1c, 0xc5, 0x6c, 0xbb, 0xac, 0x46, 0x22,
 			0x08, 0x22, 0x21, 0xa8, 0x76, 0x8d, 0x1d, 0x09, 0x01,
 		},
-		isValid: false,
+
+		// This test is now passing (used to be failing) because there
+		// are signatures in the blockchain that have trailing zero
+		// bytes before the hashtype. So ParseSignature was fixed to 
+		// permit buffers with trailing nonsense after the actual
+		// signature.
+		isValid: true,
 	},
 	signatureTest{
 		name: "X == N ",