diff --git a/main.go b/main.go
index a68c2b6..19ef7b8 100644
--- a/main.go
+++ b/main.go
@@ -66,13 +66,17 @@ func downloadAndInstallCopilot(version string, local bool) error {
 	if err != nil {
 		return err
 	}
-	defer out.Close()
 
 	_, err = io.Copy(out, resp.Body)
 	if err != nil {
 		return err
 	}
 
+	err = out.Close()
+	if err != nil {
+		return err
+	}
+
 	cmd := exec.Command(installPath, "-v")
 
 	output, err := cmd.CombinedOutput()