diff --git a/packages/quicktype-core/src/language/Kotlin/KotlinRenderer.ts b/packages/quicktype-core/src/language/Kotlin/KotlinRenderer.ts
index 963b68b54..e79d83e12 100644
--- a/packages/quicktype-core/src/language/Kotlin/KotlinRenderer.ts
+++ b/packages/quicktype-core/src/language/Kotlin/KotlinRenderer.ts
@@ -57,9 +57,9 @@ export class KotlinRenderer extends ConvenienceRenderer {
 
     protected forbiddenForEnumCases(
         _e: EnumType,
-        _enumName: Name,
+        enumName: Name,
     ): ForbiddenWordsInfo {
-        return { names: [], includeGlobalForbidden: true };
+        return { names: [enumName], includeGlobalForbidden: true };
     }
 
     protected forbiddenForUnionMembers(
diff --git a/test/fixtures.ts b/test/fixtures.ts
index 1ecbfabbe..1be4f8ee1 100644
--- a/test/fixtures.ts
+++ b/test/fixtures.ts
@@ -698,6 +698,7 @@ const skipTypeScriptTests = [
     "optional-union.json",
     "pokedex.json", // Enums are screwed up: https://github.com/YousefED/typescript-json-schema/issues/186
     "github-events.json",
+    "kotlin-enum-class-case-collision.json",
     "bug855-short.json",
     "bug863.json",
     "00c36.json",
diff --git a/test/inputs/json/priority/kotlin-enum-class-case-collision.json b/test/inputs/json/priority/kotlin-enum-class-case-collision.json
new file mode 100644
index 000000000..6fe2377c1
--- /dev/null
+++ b/test/inputs/json/priority/kotlin-enum-class-case-collision.json
@@ -0,0 +1,22 @@
+[
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" },
+  { "category": " " },
+  { "category": "" }
+]
diff --git a/test/languages.ts b/test/languages.ts
index ecbe724ee..412635ae8 100644
--- a/test/languages.ts
+++ b/test/languages.ts
@@ -1582,6 +1582,7 @@ export const KotlinXLanguage: Language = {
         // Top-level arrays render as `typealias TopLevel = JsonArray<T>`,
         // which doesn't compile — kotlinx's JsonArray takes no type
         // arguments (documented TODO in KotlinXRenderer.ts).
+        "kotlin-enum-class-case-collision.json",
         "bug863.json",
         "github-events.json",
         "optional-union.json",