diff --git a/lib/go/thrift/type.go b/lib/go/thrift/type.go
index 7c68c2b..867cd8d 100644
--- a/lib/go/thrift/type.go
+++ b/lib/go/thrift/type.go
@@ -48,6 +48,7 @@
 	VOID:   "VOID",
 	BOOL:   "BOOL",
 	BYTE:   "BYTE",
+	DOUBLE: "DOUBLE",
 	I16:    "I16",
 	I32:    "I32",
 	I64:    "I64",