diff --git a/protocol/block_test.go b/protocol/block_test.go
index ad8a692..a2a6da7 100644
--- a/protocol/block_test.go
+++ b/protocol/block_test.go
@@ -20,6 +20,12 @@ type protoTestData struct {
 }
 
 var testData = []protoTestData{
+	{
+		proto: &core.Proto019PtParisA,
+		blocks: []string{
+			"alpha",
+		},
+	},
 	{
 		proto: &core.Proto018Proxford,
 		blocks: []string{
diff --git a/protocol/test_data/019_PtParisA/alpha.bin b/protocol/test_data/019_PtParisA/alpha.bin
new file mode 100644
index 0000000..27456ad
Binary files /dev/null and b/protocol/test_data/019_PtParisA/alpha.bin differ