diff --git a/package-lock.json b/package-lock.json
index 560f9a6..d60c388 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -7430,6 +7496,7 @@
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diff --git a/src/components/object-definition.ts b/src/components/object-definition.ts
index 90da30e..35bd6bb 100644
--- a/src/components/object-definition.ts
+++ b/src/components/object-definition.ts
@@ -5,6 +5,17 @@ import type { TypeDefinition, UnionTypeDefinition, ValueDescription } from './in
 import { extractDeclaration, isOptional, stringifyType } from '../shared/type-utils';
 import { extractValueDescriptions } from './extract-value-descriptions';
 
+function getOriginalTypeName(rawTypeNode: ts.TypeNode) {
+  // If the type node is a type reference (like `ButtonGroupProps.Variant`), get its text
+  if (ts.isTypeReferenceNode(rawTypeNode) || ts.isQualifiedName(rawTypeNode)) {
+    return rawTypeNode.getText();
+  }
+}
+
+function trimQuotes(s: string) {
+  return s.replace(/^"(.+)"$/, '$1');
+}
+
 function isArrayType(type: ts.Type) {
   const symbol = type.getSymbol();
   if (!symbol) {
@@ -21,6 +32,22 @@ export function getObjectDefinition(
 ): { type: string; inlineType?: TypeDefinition } {
   const realType = rawType.getNonNullableType();
   const realTypeName = stringifyType(realType, checker);
+
+  if (realType.flags & ts.TypeFlags.StringLiteral) {
+    // For string literals, try to get the original type name from the type node.
+    // This preserves user-defined type aliases like `ButtonGroupProps.Variant`
+    const name = (rawTypeNode && getOriginalTypeName(rawTypeNode)) || trimQuotes(realTypeName);
+
+    return {
+      type: 'string',
+      inlineType: {
+        name,
+        type: 'union',
+        values: [trimQuotes(type)],
+      },
+    };
+  }
+
   if (
     realType.flags & ts.TypeFlags.String ||
     realType.flags & ts.TypeFlags.Literal ||
diff --git a/test/components/complex-types.test.ts b/test/components/complex-types.test.ts
index 89a1c63..09e3e4a 100644
--- a/test/components/complex-types.test.ts
+++ b/test/components/complex-types.test.ts
@@ -225,7 +225,12 @@ test('should parse string literal type as single-value union', () => {
           {
             name: 'alwaysSomething',
             optional: false,
-            type: '"something"',
+            type: 'string',
+            inlineType: {
+              name: 'something',
+              type: 'union',
+              values: ['something'],
+            },
           },
         ],
       },
@@ -233,7 +238,12 @@ test('should parse string literal type as single-value union', () => {
     {
       name: 'variant',
       description: 'This is variant',
-      type: '"icon"',
+      type: 'string',
+      inlineType: {
+        name: 'ButtonGroupProps.Variant',
+        type: 'union',
+        values: ['icon'],
+      },
       optional: false,
     },
   ]);