diff --git a/spec/tags/core/enumerator/next_values_tags.txt b/spec/tags/core/enumerator/next_values_tags.txt
index 6de3a20ac408..a647b33f7c34 100644
--- a/spec/tags/core/enumerator/next_values_tags.txt
+++ b/spec/tags/core/enumerator/next_values_tags.txt
@@ -1 +1,2 @@
 fails:Enumerator#next_values returns an array with only nil if yield is called with nil
+fails:Enumerator#next_values returns an array of array if yield is called with an array
diff --git a/spec/tags/core/enumerator/peek_values_tags.txt b/spec/tags/core/enumerator/peek_values_tags.txt
index dfec3e18f0d6..33f7d113b2e3 100644
--- a/spec/tags/core/enumerator/peek_values_tags.txt
+++ b/spec/tags/core/enumerator/peek_values_tags.txt
@@ -1 +1,2 @@
 fails:Enumerator#peek_values returns an array with only nil if yield is called with nil
+fails:Enumerator#peek_values returns an array of array if yield is called with an array