diff --git a/test/less/import/interpolation-vars.less b/test/less/import/interpolation-vars.less
index e978c3a6..c611ed62 100644
--- a/test/less/import/interpolation-vars.less
+++ b/test/less/import/interpolation-vars.less
@@ -1,2 +1,6 @@
 @in: "in";
 @terpolation: "terpolation";
+
+// should be ignored because its already imported
+// and it uses a variable from the parent scope
+@import "import-@{my_theme}-e.less";