diff --git a/HHRouter/HHRouter.h b/HHRouter/HHRouter.h
index 1ca8640..fea2f41 100644
--- a/HHRouter/HHRouter.h
+++ b/HHRouter/HHRouter.h
@@ -21,6 +21,7 @@
 //  THE SOFTWARE.
 
 #import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
 
 ///---------------
 /// @name HHRouter