diff --git a/SoObjects/Mailer/SOGoMailAccount.m b/SoObjects/Mailer/SOGoMailAccount.m
index 0438bd3ba..586605e2e 100644
--- a/SoObjects/Mailer/SOGoMailAccount.m
+++ b/SoObjects/Mailer/SOGoMailAccount.m
@@ -24,6 +24,7 @@
 #import <Foundation/NSDictionary.h>
 #import <Foundation/NSURL.h>
 #import <Foundation/NSString.h>
+#import <Foundation/NSValue.h>
 
 #import <NGObjWeb/NSException+HTTP.h>
 #import <NGObjWeb/SoHTTPAuthenticator.h>