diff --git a/types/react-native-custom-tabs/index.d.ts b/types/react-native-custom-tabs/index.d.ts
index ed74ff4303..42fd1cdf78 100644
--- a/types/react-native-custom-tabs/index.d.ts
+++ b/types/react-native-custom-tabs/index.d.ts
@@ -19,4 +19,6 @@ export interface CustomTabsOptions {
   headers?: any;
 }
 
-export function openURL(url: string, options?: CustomTabsOptions): Promise<boolean>;
+export namespace CustomTabs {
+    function openURL(url: string, options?: CustomTabsOptions): Promise<boolean>;
+}
diff --git a/types/react-native-custom-tabs/react-native-custom-tabs-tests.ts b/types/react-native-custom-tabs/react-native-custom-tabs-tests.ts
index 86dad3b3ee..f300f79d35 100644
--- a/types/react-native-custom-tabs/react-native-custom-tabs-tests.ts
+++ b/types/react-native-custom-tabs/react-native-custom-tabs-tests.ts
@@ -7,4 +7,4 @@ const rnt: ReactNativeCustomTabs.CustomTabsOptions = {
   enableDefaultShare: true,
 };
 
-const url: Promise<boolean> = ReactNativeCustomTabs.openURL('testurl.com', rnt);
+const url: Promise<boolean> = ReactNativeCustomTabs.CustomTabs.openURL('testurl.com', rnt);