diff --git a/src/gleam/dynamic.gleam b/src/gleam/dynamic.gleam
index f916016d..50f83333 100644
--- a/src/gleam/dynamic.gleam
+++ b/src/gleam/dynamic.gleam
@@ -561,16 +561,21 @@ fn tuple_errors(
 }
 
 fn push_path(error: DecodeError, name: t) -> DecodeError {
+  let name = format_unknown(name)
+  DecodeError(..error, path: [name, ..error.path])
+}
+
+/// Formats an unknown value for display in an error message.
+fn format_unknown(name: t) {
   let name = from(name)
   let decoder = any([string, fn(x) { result.map(int(x), int.to_string) }])
-  let name = case decoder(name) {
+  case decoder(name) {
     Ok(name) -> name
     Error(_) ->
       ["<", classify(name), ">"]
       |> string_tree.from_strings
       |> string_tree.to_string
   }
-  DecodeError(..error, path: [name, ..error.path])
 }
 
 /// Checks to see if a `Dynamic` value is a 2-element tuple, list or array containing
@@ -982,7 +987,7 @@ pub fn dict(
         )
         use v <- result.try(
           value_type(v)
-          |> map_errors(push_path(_, "values")),
+          |> map_errors(push_path(_, "values[" <> format_unknown(k) <> "]")),
         )
         Ok(#(k, v))
       }),
diff --git a/test/gleam/dynamic_test.gleam b/test/gleam/dynamic_test.gleam
index fd51212c..0ffb7c65 100644
--- a/test/gleam/dynamic_test.gleam
+++ b/test/gleam/dynamic_test.gleam
@@ -1139,7 +1139,14 @@ pub fn dict_test() {
   |> dynamic.from
   |> dynamic.dict(dynamic.string, dynamic.string)
   |> should.equal(
-    Error([DecodeError(expected: "String", found: "Int", path: ["values"])]),
+    Error([DecodeError(expected: "String", found: "Int", path: ["values[a]"])]),
+  )
+
+  dict.from_list([#(1, 1)])
+  |> dynamic.from
+  |> dynamic.dict(dynamic.int, dynamic.string)
+  |> should.equal(
+    Error([DecodeError(expected: "String", found: "Int", path: ["values[1]"])]),
   )
 
   1