diff --git a/UI/SOGoUI/SOGoAptFormatter.h b/UI/SOGoUI/SOGoAptFormatter.h
index c7f8c8065..a2e2d9958 100644
--- a/UI/SOGoUI/SOGoAptFormatter.h
+++ b/UI/SOGoUI/SOGoAptFormatter.h
@@ -44,6 +44,7 @@
 - (void)setFullDetails;
 - (void)setTitleOnly;
 - (void)setShortTitleOnly;
+- (void)setShortMonthTitleOnly;
 - (void)setOmitsEndDate;
 
 - (void)setPrivateTooltip;