diff --git a/Pod/Classes/Core/BMMacro.h b/Pod/Classes/Core/BMMacro.h
index 2993c8b..38d09ea 100644
--- a/Pod/Classes/Core/BMMacro.h
+++ b/Pod/Classes/Core/BMMacro.h
@@ -1,3 +1,5 @@
+#import <Foundation/Foundation.h>
+
 #pragma mark System Versioning
 
 // See "http://stackoverflow.com/questions/12561599/how-to-check-ios-version-is-ios-6".