diff --git a/tests/main.rs b/tests/main.rs
index ddbe9db..a1487c1 100644
--- a/tests/main.rs
+++ b/tests/main.rs
@@ -458,6 +458,11 @@ mod test_mixins {
         "@mixin a {\n  color: red;\n}\n\nb {\n  @include a;\n}\n",
         "b {\n  color: red;\n}\n"
     );
+    test!(
+        empty_mixin,
+        "@mixin a {}\n\nb {\n  @include a;\n}\n",
+        ""
+    );
     test!(
         mixin_two_styles,
         "@mixin a {\n  color: red;\n  color: blue;\n}\n\nb {\n  @include a;\n}\n",