diff --git a/internal/pipe/env/env.go b/internal/pipe/env/env.go
index 170edc89b..1982e0d70 100644
--- a/internal/pipe/env/env.go
+++ b/internal/pipe/env/env.go
@@ -128,6 +128,7 @@ func loadEnv(env, path string) (string, error) {
 	if err != nil {
 		return "", err
 	}
+	defer f.Close()
 	bts, _, err := bufio.NewReader(f).ReadLine()
 	return string(bts), err
 }