diff --git a/FrameAccessor/ViewFrameAccessor.h b/FrameAccessor/ViewFrameAccessor.h
index c0da42b..68b3288 100644
--- a/FrameAccessor/ViewFrameAccessor.h
+++ b/FrameAccessor/ViewFrameAccessor.h
@@ -7,6 +7,8 @@
 //
 
 
+#import "TargetConditionals.h"
+
 #define IS_IOS_DEVICE (TARGET_IPHONE_SIMULATOR || TARGET_OS_IPHONE)
 
 #if IS_IOS_DEVICE
@@ -50,4 +52,4 @@
 @property (nonatomic, readonly) CGFloat middleX;
 @property (nonatomic, readonly) CGFloat middleY;
 
-@end
\ No newline at end of file
+@end