diff --git a/core/installer/cmd/dodo_app.go b/core/installer/cmd/dodo_app.go
index 9b5da30..7f1957d 100644
--- a/core/installer/cmd/dodo_app.go
+++ b/core/installer/cmd/dodo_app.go
@@ -4,6 +4,7 @@
 	"bytes"
 	"database/sql"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"log"
@@ -276,7 +277,7 @@
 	if resp.StatusCode != http.StatusOK {
 		var buf bytes.Buffer
 		io.Copy(&buf, resp.Body)
-		return fmt.Errorf(buf.String())
+		return errors.New(buf.String())
 	}
 	return nil
 }
@@ -303,7 +304,7 @@
 	if resp.StatusCode != http.StatusOK {
 		var buf bytes.Buffer
 		io.Copy(&buf, resp.Body)
-		return fmt.Errorf(buf.String())
+		return errors.New(buf.String())
 	}
 	return nil
 }