diff --git a/pubkey_test.go b/pubkey_test.go
index a8b33d32..165dba6f 100644
--- a/pubkey_test.go
+++ b/pubkey_test.go
@@ -57,6 +57,19 @@ var pubKeyTests = []pubKeyTest{
 		},
 		isValid: false,
 	},
+	pubKeyTest{
+		name: "uncompressed claims compressed",
+		key: []byte{0x03, 0x11, 0xdb, 0x93, 0xe1, 0xdc, 0xdb, 0x8a,
+			0x01, 0x6b, 0x49, 0x84, 0x0f, 0x8c, 0x53, 0xbc, 0x1e,
+			0xb6, 0x8a, 0x38, 0x2e, 0x97, 0xb1, 0x48, 0x2e, 0xca,
+			0xd7, 0xb1, 0x48, 0xa6, 0x90, 0x9a, 0x5c, 0xb2, 0xe0,
+			0xea, 0xdd, 0xfb, 0x84, 0xcc, 0xf9, 0x74, 0x44, 0x64,
+			0xf8, 0x2e, 0x16, 0x0b, 0xfa, 0x9b, 0x8b, 0x64, 0xf9,
+			0xd4, 0xc0, 0x3f, 0x99, 0x9b, 0x86, 0x43, 0xf6, 0x56,
+			0xb4, 0x12, 0xa3,
+		},
+		isValid: false,
+	},
 	// from tx 0b09c51c51ff762f00fb26217269d2a18e77a4fa87d69b3c363ab4df16543f20
 	pubKeyTest{
 		name: "compressed ok (ybit = 0)",
@@ -77,6 +90,29 @@ var pubKeyTests = []pubKeyTest{
 		},
 		isValid: true,
 	},
+	pubKeyTest{
+		name: "compressed claims uncompressed (ybit = 0)",
+		key: []byte{0x04, 0xce, 0x0b, 0x14, 0xfb, 0x84, 0x2b, 0x1b,
+			0xa5, 0x49, 0xfd, 0xd6, 0x75, 0xc9, 0x80, 0x75, 0xf1,
+			0x2e, 0x9c, 0x51, 0x0f, 0x8e, 0xf5, 0x2b, 0xd0, 0x21,
+			0xa9, 0xa1, 0xf4, 0x80, 0x9d, 0x3b, 0x4d,
+		},
+		isValid: false,
+	},
+	pubKeyTest{
+		name: "compressed claims uncompressed (ybit = 1)",
+		key: []byte{0x05, 0x26, 0x89, 0xc7, 0xc2, 0xda, 0xb1, 0x33,
+			0x09, 0xfb, 0x14, 0x3e, 0x0e, 0x8f, 0xe3, 0x96, 0x34,
+			0x25, 0x21, 0x88, 0x7e, 0x97, 0x66, 0x90, 0xb6, 0xb4,
+			0x7f, 0x5b, 0x2a, 0x4b, 0x7d, 0x44, 0x8e,
+		},
+		isValid: false,
+	},
+	pubKeyTest{
+		name: "wrong length)",
+		key: []byte{0x05},
+		isValid: false,
+	},
 }
 
 func TestPubKeys(t *testing.T) {