diff --git a/src/data/1.15/gs2client.json b/src/data/1.15/gs2client.json
index 5b1875b..31b9449 100644
--- a/src/data/1.15/gs2client.json
+++ b/src/data/1.15/gs2client.json
@@ -1495,7 +1495,7 @@
 			{ "BYTE" : "PacketId" }, 
 			{ "short" : "nUnitClassID" },
 			{ "short" : "Unknown1" },
-			{ "Byte" : "Unknown2" },
+			{ "BYTE" : "Unknown2" },
 			{ "int" : "nUnitGUID" },
 			{ "short" : "nAnimation" },
 			{ "BYTE" : "nHPPercent" }