diff --git a/test/tests.luau b/test/tests.luau
index fe38ff0..11c2b49 100644
--- a/test/tests.luau
+++ b/test/tests.luau
@@ -400,7 +400,7 @@ TEST("derive()", wrap_root(function()
 
         local count = 0
 
-        watch(function() count += 1 end)
+        watch(function() c() count += 1 end)
 
         b(true)
         CHECK(c() == "b")