diff --git a/src/spectator/matchers/contain_matcher.cr b/src/spectator/matchers/contain_matcher.cr
index f733701..f707486 100644
--- a/src/spectator/matchers/contain_matcher.cr
+++ b/src/spectator/matchers/contain_matcher.cr
@@ -24,8 +24,8 @@ module Spectator::Matchers
 
     private def values(actual) : Array(LabeledValue)
       [
-        LabeledValue.new(expected.value.to_s, "subset"),
-        LabeledValue.new(actual.value.to_s, "superset"),
+        LabeledValue.new(expected.value.inspect, "subset"),
+        LabeledValue.new(actual.value.inspect, "superset"),
       ]
     end
   end
diff --git a/src/spectator/matchers/empty_matcher.cr b/src/spectator/matchers/empty_matcher.cr
index 1433082..dcd5582 100644
--- a/src/spectator/matchers/empty_matcher.cr
+++ b/src/spectator/matchers/empty_matcher.cr
@@ -21,7 +21,7 @@ module Spectator::Matchers
     end
 
     private def values(actual) : Array(LabeledValue)
-      [LabeledValue.new(actual.value.to_s, "actual")]
+      [LabeledValue.new(actual.value.inspect, "actual")]
     end
   end
 end
diff --git a/src/spectator/matchers/greater_than_equal_matcher.cr b/src/spectator/matchers/greater_than_equal_matcher.cr
index f2ee6fd..9228a98 100644
--- a/src/spectator/matchers/greater_than_equal_matcher.cr
+++ b/src/spectator/matchers/greater_than_equal_matcher.cr
@@ -22,15 +22,15 @@ module Spectator::Matchers
 
     private def values(actual)
       [
-        LabeledValue.new(">= #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new(">= #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
 
     private def negated_values(actual)
       [
-        LabeledValue.new("< #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new("< #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
   end
diff --git a/src/spectator/matchers/greater_than_matcher.cr b/src/spectator/matchers/greater_than_matcher.cr
index d9ce293..c65a038 100644
--- a/src/spectator/matchers/greater_than_matcher.cr
+++ b/src/spectator/matchers/greater_than_matcher.cr
@@ -22,15 +22,15 @@ module Spectator::Matchers
 
     private def values(actual)
       [
-        LabeledValue.new("> #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new("> #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
 
     private def negated_values(actual)
       [
-        LabeledValue.new("<= #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new("<= #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
   end
diff --git a/src/spectator/matchers/less_than_equal_matcher.cr b/src/spectator/matchers/less_than_equal_matcher.cr
index aa5d3aa..2146257 100644
--- a/src/spectator/matchers/less_than_equal_matcher.cr
+++ b/src/spectator/matchers/less_than_equal_matcher.cr
@@ -22,15 +22,15 @@ module Spectator::Matchers
 
     private def values(actual)
       [
-        LabeledValue.new("<= #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new("<= #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
 
     private def negated_values(actual)
       [
-        LabeledValue.new("> #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new("> #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
   end
diff --git a/src/spectator/matchers/less_than_matcher.cr b/src/spectator/matchers/less_than_matcher.cr
index 5c63732..e45f3d6 100644
--- a/src/spectator/matchers/less_than_matcher.cr
+++ b/src/spectator/matchers/less_than_matcher.cr
@@ -22,15 +22,15 @@ module Spectator::Matchers
 
     private def values(actual)
       [
-        LabeledValue.new("< #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new("< #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
 
     private def negated_values(actual)
       [
-        LabeledValue.new(">= #{expected.value}", "expected"),
-        LabeledValue.new(actual.value.to_s, "actual")
+        LabeledValue.new(">= #{expected.value.inspect}", "expected"),
+        LabeledValue.new(actual.value.inspect, "actual"),
       ]
     end
   end
diff --git a/src/spectator/matchers/matcher.cr b/src/spectator/matchers/matcher.cr
index d87d8ca..0d4e1dd 100644
--- a/src/spectator/matchers/matcher.cr
+++ b/src/spectator/matchers/matcher.cr
@@ -43,7 +43,7 @@ module Spectator::Matchers
     end
 
     private def values(actual) : Array(LabeledValue)
-      [LabeledValue.new(actual.value.to_s, "actual")]
+      [LabeledValue.new(actual.value.inspect, "actual")]
     end
 
     private def negated_values(actual) : Array(LabeledValue)
diff --git a/src/spectator/matchers/value_matcher.cr b/src/spectator/matchers/value_matcher.cr
index 27d51e0..7e09a08 100644
--- a/src/spectator/matchers/value_matcher.cr
+++ b/src/spectator/matchers/value_matcher.cr
@@ -14,11 +14,11 @@ module Spectator::Matchers
     end
 
     private def values(actual) : Array(LabeledValue)
-      super(actual) << LabeledValue.new(expected.value.to_s, "expected")
+      super(actual) << LabeledValue.new(expected.value.inspect, "expected")
     end
 
     private def negated_values(actual) : Array(LabeledValue)
-      super(actual) << LabeledValue.new("Not #{expected.value}", "expected")
+      super(actual) << LabeledValue.new("Not #{expected.value.inspect}", "expected")
     end
   end
 end