diff --git a/KZColorPicker/KZColorPicker-Prefix.pch b/KZColorPicker/KZColorPicker-Prefix.pch
index 958372c..a79b37f 100644
--- a/KZColorPicker/KZColorPicker-Prefix.pch
+++ b/KZColorPicker/KZColorPicker-Prefix.pch
@@ -11,5 +11,6 @@
 #ifdef __OBJC__
     #import <UIKit/UIKit.h>
     #import <Foundation/Foundation.h>
+#define IS_IPAD ([[UIDevice currentDevice] respondsToSelector:@selector(userInterfaceIdiom)] && [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)
 
 #endif