diff --git a/librpc/idl/winbind.idl b/librpc/idl/winbind.idl
index 4acad1b091f..c7ca95d1a69 100644
--- a/librpc/idl/winbind.idl
+++ b/librpc/idl/winbind.idl
@@ -13,7 +13,7 @@ interface winbind
 {
   /* Private methods */
 
-    void wbint_Ping(
+    NTSTATUS wbint_Ping(
 	[in] uint32 in_data,
 	[out] uint32 *out_data
 	);
diff --git a/source3/winbindd/winbindd_dual_srv.c b/source3/winbindd/winbindd_dual_srv.c
index 3daa8468ddc..a59ecafe695 100644
--- a/source3/winbindd/winbindd_dual_srv.c
+++ b/source3/winbindd/winbindd_dual_srv.c
@@ -40,9 +40,10 @@
 #include "libsmb/dsgetdcname.h"
 #include "lib/global_contexts.h"
 
-void _wbint_Ping(struct pipes_struct *p, struct wbint_Ping *r)
+NTSTATUS _wbint_Ping(struct pipes_struct *p, struct wbint_Ping *r)
 {
 	*r->out.out_data = r->in.in_data;
+	return NT_STATUS_OK;
 }
 
 bool reset_cm_connection_on_error(struct winbindd_domain *domain,