diff --git a/src/spectator/matchers/array_matcher.cr b/src/spectator/matchers/array_matcher.cr
index b994278..66594a9 100644
--- a/src/spectator/matchers/array_matcher.cr
+++ b/src/spectator/matchers/array_matcher.cr
@@ -9,7 +9,7 @@ module Spectator::Matchers
   struct ArrayMatcher(ExpectedType) < Matcher
     private getter expected
 
-    def initialize(@expected : TestValue(Enumerable(ExpectedType)))
+    def initialize(@expected : TestValue(ExpectedType))
     end
 
     def description
diff --git a/src/spectator/matchers/unordered_array_matcher.cr b/src/spectator/matchers/unordered_array_matcher.cr
index 8c5ed49..9014aa1 100644
--- a/src/spectator/matchers/unordered_array_matcher.cr
+++ b/src/spectator/matchers/unordered_array_matcher.cr
@@ -6,7 +6,7 @@ module Spectator::Matchers
   struct UnorderedArrayMatcher(ExpectedType) < Matcher
     private getter expected
 
-    def initialize(@expected : TestValue(Enumerable(ExpectedType)))
+    def initialize(@expected : TestValue(ExpectedType))
     end
 
     def description