diff --git a/headers/private/interface/MenuPrivate.h b/headers/private/interface/MenuPrivate.h
index 23d883b5b1..ced35555b2 100644
--- a/headers/private/interface/MenuPrivate.h
+++ b/headers/private/interface/MenuPrivate.h
@@ -46,6 +46,7 @@ public:
 			BRect				Padding() const;
 			void				GetItemMargins(float*, float*, float*, float*)
 									const;
+			void				SetItemMargins(float, float, float, float);
 
 			int					State(BMenuItem** item = NULL) const;
 
diff --git a/src/kits/interface/MenuPrivate.cpp b/src/kits/interface/MenuPrivate.cpp
index 3869ae5908..4339654f77 100644
--- a/src/kits/interface/MenuPrivate.cpp
+++ b/src/kits/interface/MenuPrivate.cpp
@@ -161,6 +161,13 @@ MenuPrivate::GetItemMargins(float* left, float* top, float* right,
 }
 
 
+void
+MenuPrivate::SetItemMargins(float left, float top, float right, float bottom)
+{
+	fMenu->SetItemMargins(left, top, right, bottom);
+}
+
+
 int
 MenuPrivate::State(BMenuItem** item) const
 {