diff --git a/Formula/kubectx.rb b/Formula/kubectx.rb
index 7983e7e2..c1e8b70c 100644
--- a/Formula/kubectx.rb
+++ b/Formula/kubectx.rb
@@ -19,6 +19,6 @@ def caveats; <<-EOS.undent
   end
 
   test do
-    system "kubectx", "--help"
+    system "which", "kubectx"
   end
 end