diff --git a/Smartling.i18n/SmartlingLib.h b/Smartling.i18n/SmartlingLib.h
index dfdbb04..fd36519 100644
--- a/Smartling.i18n/SmartlingLib.h
+++ b/Smartling.i18n/SmartlingLib.h
@@ -18,6 +18,8 @@
 //  Created by Pavel Ivashkov on 2015-05-15.
 //
 
+#import <Foundation/Foundation.h>
+
 //! Project version number for SmartlingLib.
 FOUNDATION_EXPORT double SmartlingLibVersionNumber;