diff --git a/tests/data/assert/wp-is-numeric-array.php b/tests/data/assert/wp-is-numeric-array.php
index 19e8f6f..0e6a177 100644
--- a/tests/data/assert/wp-is-numeric-array.php
+++ b/tests/data/assert/wp-is-numeric-array.php
@@ -40,7 +40,7 @@
     assertType('array<int, mixed>', $data);
 }
 if (! wp_is_numeric_array($data)) {
-    assertType('array', $data); // can still be a mixed key array
+    assertType('non-empty-array', $data); // can still be a mixed key array
 }
 
 // Check with union