diff --git a/test/regressions.vader b/test/regressions.vader
index e6a70e8..a248d7f 100644
--- a/test/regressions.vader
+++ b/test/regressions.vader
@@ -238,5 +238,5 @@ Execute (#184: Duplicate entries in &rtp):
   call plug#end()
 
   Log &rtp
-  AssertEqual 3, len(uniq(filter(split(&rtp, ','), 'stridx(v:val, "plugged") >= 0')))
+  AssertEqual 3, len(filter(split(&rtp, ','), 'stridx(v:val, "plugged") >= 0'))