diff --git a/cmd/gomu/cmd/cli/call/call.go b/cmd/gomu/cmd/cli/call/call.go
index 303054d853..ef37ead693 100644
--- a/cmd/gomu/cmd/cli/call/call.go
+++ b/cmd/gomu/cmd/cli/call/call.go
@@ -47,7 +47,7 @@ func RunCall(ctx *cli.Context) error {
 	c := srv.Client()
 
 	request := c.NewRequest(service, endpoint, creq, client.WithContentType("application/json"))
-	response := map[string]string{}
+	var response map[string]interface{}
 
 	if err := c.Call(context.Background(), request, &response); err != nil {
 		return err