diff --git a/lib/graphql.go b/lib/graphql.go
index 8d2ce7d..3602e3b 100644
--- a/lib/graphql.go
+++ b/lib/graphql.go
@@ -66,7 +66,7 @@ type Type struct {
 type Arg struct {
 	Name         string
 	Type         string
-	TypeExt      *string // in case of default values e.g. admin(role: Role = ADMIN): Admin!
+	DefaultValue *string // in case of default values e.g. admin(role: Role = ADMIN): Admin!
 	Null         bool
 	IsList       bool
 	IsListNull   bool
diff --git a/lib/parse.go b/lib/parse.go
index 8d84d8b..27ba408 100644
--- a/lib/parse.go
+++ b/lib/parse.go
@@ -79,7 +79,7 @@ func (p *Parser) parseArgs() []*Arg {
 					p.lex.consumeToken(tokEqual)
 					tex, _ := p.lex.consumeIdentInclString(tokNumber)
 					te := tex.String()
-					arg.TypeExt = &te
+					arg.DefaultValue = &te
 				}
 			}
 			arg.Directives = p.parseDirectives()
diff --git a/lib/write.go b/lib/write.go
index 4fa1c90..1e50f31 100644
--- a/lib/write.go
+++ b/lib/write.go
@@ -286,8 +286,8 @@ func (ms *MergedSchema) stitchArgument(a *Arg, l int, i int) {
 		if !a.Null {
 			ms.buf.WriteString("!")
 		}
-		if a.TypeExt != nil {
-			ms.buf.WriteString(" = " + *a.TypeExt)
+		if a.DefaultValue != nil {
+			ms.buf.WriteString(" = " + *a.DefaultValue)
 		}
 		ms.stitchDirectives(a.Directives)
 	}