diff --git a/code/core/src/csf-tools/ConfigFile.test.ts b/code/core/src/csf-tools/ConfigFile.test.ts
index f702579aeecd..191989b1751b 100644
--- a/code/core/src/csf-tools/ConfigFile.test.ts
+++ b/code/core/src/csf-tools/ConfigFile.test.ts
@@ -293,6 +293,23 @@ describe('ConfigFile', () => {
           )
         ).toEqual(['test', 'vitest', '!a11ytest']);
       });
+      it('parses correctly with .type<T>() chaining on export default', () => {
+        const source = dedent`
+          import { definePreview } from '@storybook/react-vite';
+
+          export default definePreview({
+            parameters: {
+              foo: 'bar',
+            },
+          }).type<{
+            parameters: {
+              customParam?: string;
+            };
+          }>();
+        `;
+        const config = loadConfig(source).parse();
+        expect(config.getFieldValue(['parameters', 'foo'])).toEqual('bar');
+      });
     });
   });
 
diff --git a/code/core/src/csf-tools/ConfigFile.ts b/code/core/src/csf-tools/ConfigFile.ts
index c5f376f5096f..6e326004c82d 100644
--- a/code/core/src/csf-tools/ConfigFile.ts
+++ b/code/core/src/csf-tools/ConfigFile.ts
@@ -204,9 +204,19 @@ export class ConfigFile {
           self.hasDefaultExport = true;
           let decl = self._resolveDeclaration(node.declaration as t.Node, parent);
 
-          // csf factory
-          if (t.isCallExpression(decl) && t.isObjectExpression(decl.arguments[0])) {
-            decl = decl.arguments[0];
+          // csf factory - unwrap call expressions like definePreview({...}) or definePreview({...}).type<T>()
+          while (t.isCallExpression(decl)) {
+            if (t.isObjectExpression(decl.arguments[0])) {
+              decl = decl.arguments[0];
+              break;
+            } else if (
+              t.isMemberExpression(decl.callee) &&
+              t.isCallExpression(decl.callee.object)
+            ) {
+              decl = decl.callee.object;
+            } else {
+              break;
+            }
           }
 
           if (t.isObjectExpression(decl)) {