diff --git a/generator/go.go b/generator/go.go
index c9ddffc..a33fca1 100644
--- a/generator/go.go
+++ b/generator/go.go
@@ -429,7 +429,7 @@ func (g *GoGenerator) writeService(out io.Writer, svc *parser.Service) error {
 
 	g.write(out, "\ntype %s interface {\n", svcName)
 	if svc.Extends != "" {
-		g.write(out, "\t%s\n", camelCase(svc.Extends))
+		g.write(out, "\t%s\n", svc.Extends)
 	}
 	methodNames := sortedKeys(svc.Methods)
 	for _, k := range methodNames {
@@ -446,7 +446,7 @@ func (g *GoGenerator) writeService(out io.Writer, svc *parser.Service) error {
 	if svc.Extends == "" {
 		g.write(out, "\ntype %sServer struct {\n\tImplementation %s\n}\n", svcName, svcName)
 	} else {
-		g.write(out, "\ntype %sServer struct {\n\t%sServer\n\tImplementation %s\n}\n", svcName, camelCase(svc.Extends), svcName)
+		g.write(out, "\ntype %sServer struct {\n\t%sServer\n\tImplementation %s\n}\n", svcName, svc.Extends, svcName)
 	}
 
 	// Server method wrappers
@@ -516,7 +516,7 @@ func (g *GoGenerator) writeService(out io.Writer, svc *parser.Service) error {
 	if svc.Extends == "" {
 		g.write(out, "\ntype %sClient struct {\n\tClient RPCClient\n}\n", svcName)
 	} else {
-		g.write(out, "\ntype %sClient struct {\n\t%sClient\n}\n", svcName, camelCase(svc.Extends))
+		g.write(out, "\ntype %sClient struct {\n\t%sClient\n}\n", svcName, svc.Extends)
 	}
 
 	for _, k := range methodNames {