diff --git a/src/Support/Generator/TypeTransformer.php b/src/Support/Generator/TypeTransformer.php
index 53c7bd2b..e3ea3df1 100644
--- a/src/Support/Generator/TypeTransformer.php
+++ b/src/Support/Generator/TypeTransformer.php
@@ -203,21 +203,29 @@ public function transform(Type $type): OpenApiType
                 $items = array_map($this->transform(...), $otherTypes->values()->toArray()); // @phpstan-ignore argument.type
                 $literalSchemas = [];
 
-                if ($stringLiterals->count()) {
-                    $items[] = $literalSchemas[] = (new StringType)->enum(
-                        $stringLiterals->map->value->unique()->values()->toArray() // @phpstan-ignore property.notFound
-                    );
+                if ($stringLiteralsCount = $stringLiterals->count()) {
+                    if ($stringLiteralsCount > 1) {
+                        $items[] = $literalSchemas[] = (new StringType)->enum(
+                            $stringLiterals->map->value->unique()->values()->toArray() // @phpstan-ignore property.notFound
+                        );
+                    } else {
+                        $items[] = (new StringType)->const($stringLiterals->first()->value);
+                    }
                 }
 
-                if ($integerLiterals->count()) {
-                    $items[] = $literalSchemas[] = (new IntegerType)->enum(
-                        $integerLiterals->map->value->unique()->values()->toArray() // @phpstan-ignore property.notFound
-                    );
+                if ($integerLiteralsCount = $integerLiterals->count()) {
+                    if ($integerLiteralsCount > 1) {
+                        $items[] = $literalSchemas[] = (new IntegerType)->enum(
+                            $integerLiterals->map->value->unique()->values()->toArray() // @phpstan-ignore property.notFound
+                        );
+                    } else {
+                        $items[] = (new IntegerType)->const($integerLiterals->first()->value);
+                    }
                 }
 
                 // In case $otherTypes consist just of null and there is string or integer literals, make type nullable
                 $otherTypesIsNullable = count($otherTypes) === 1 && collect($otherTypes)->contains(fn ($t) => $t instanceof \Dedoc\Scramble\Support\Type\NullType);
-                if ($otherTypesIsNullable && ($stringLiterals->count() || $integerLiterals->count())) {
+                if ($otherTypesIsNullable && count($literalSchemas)) {
                     $items = array_map(fn ($s) => $s->nullable(true), $literalSchemas);
                 }
 
diff --git a/tests/InferExtensions/JsonResourceExtensionTest.php b/tests/InferExtensions/JsonResourceExtensionTest.php
index fd5e9539..4bdd34e9 100644
--- a/tests/InferExtensions/JsonResourceExtensionTest.php
+++ b/tests/InferExtensions/JsonResourceExtensionTest.php
@@ -56,11 +56,11 @@ function JsonResourceExtensionTest_analyze(Infer $infer, OpenApiContext $context
                 'anyOf' => [
                     [
                         'type' => 'string',
-                        'enum' => ['foo'],
+                        'const' => 'foo',
                     ],
                     [
                         'type' => 'integer',
-                        'enum' => [42],
+                        'const' => 42,
                     ],
                 ],
             ],
@@ -103,8 +103,8 @@ public function toArray(Request $request)
         'properties' => [
             'property' => [
                 'anyOf' => [
-                    ['type' => 'string', 'enum' => ['foo']],
-                    ['type' => 'integer', 'enum' => [123]],
+                    ['type' => 'string', 'const' => 'foo'],
+                    ['type' => 'integer', 'const' => 123],
                 ],
             ],
         ],
diff --git a/tests/ValidationRulesDocumentingTest.php b/tests/ValidationRulesDocumentingTest.php
index e91920d2..5e5aa983 100644
--- a/tests/ValidationRulesDocumentingTest.php
+++ b/tests/ValidationRulesDocumentingTest.php
@@ -475,10 +475,7 @@ function validationRulesToDocumentationWithDeep($rulesToParameters)
 
         expect($params[0]->toArray()['schema'])->toBe([
             'type' => 'string',
-            'enum' => [
-                'draft',
-                'archived',
-            ],
+            'enum' => ['draft', 'archived'],
         ]);
     });
 
@@ -491,10 +488,7 @@ function validationRulesToDocumentationWithDeep($rulesToParameters)
 
         expect($params[0]->toArray()['schema'])->toBe([
             'type' => 'string',
-            'enum' => [
-                'published',
-                'archived',
-            ],
+            'enum' => ['published', 'archived'],
         ]);
     });
 }