diff --git a/src/@ionic-native/plugins/themeable-browser/index.ts b/src/@ionic-native/plugins/themeable-browser/index.ts
index 71342b836..55c2d8a66 100644
--- a/src/@ionic-native/plugins/themeable-browser/index.ts
+++ b/src/@ionic-native/plugins/themeable-browser/index.ts
@@ -64,7 +64,7 @@ export interface ThemeableBrowserOptions {
   presentationstyle?: string;
   transitionstyle?: string;
   toolbarposition?: string;
-  fullscreen?: string;
+  fullscreen?: boolean;
 }
 
 /**