diff --git a/SoObjects/Mailer/SOGoMailObject.m b/SoObjects/Mailer/SOGoMailObject.m
index 934f1c61c..87a86fa29 100644
--- a/SoObjects/Mailer/SOGoMailObject.m
+++ b/SoObjects/Mailer/SOGoMailObject.m
@@ -44,6 +44,7 @@
 #import <SoObjects/SOGo/SOGoPermissions.h>
 #import <SoObjects/SOGo/SOGoUser.h>
 
+#import "NSString+Mail.h"
 #import "NSData+Mail.h"
 #import "SOGoMailFolder.h"
 #import "SOGoMailAccount.h"
diff --git a/SoObjects/Mailer/SOGoMailReply.m b/SoObjects/Mailer/SOGoMailReply.m
index d2e939d94..f1758ed6a 100644
--- a/SoObjects/Mailer/SOGoMailReply.m
+++ b/SoObjects/Mailer/SOGoMailReply.m
@@ -21,6 +21,7 @@
  */
 
 #import <NGObjWeb/WOContext+SoObjects.h>
+#import <NGExtensions/NSString+misc.h>
 
 #import <SoObjects/SOGo/SOGoDateFormatter.h>
 #import <SoObjects/SOGo/SOGoUser.h>