diff --git a/librpc/idl/netlogon.idl b/librpc/idl/netlogon.idl
index 4f9da3d715d..4dd376961f4 100644
--- a/librpc/idl/netlogon.idl
+++ b/librpc/idl/netlogon.idl
@@ -1261,7 +1261,7 @@ interface netlogon
 
 	/****************/
 	/* Function 0x1d */
-	typedef [bitmap32bit] bitmap {
+	typedef [public,bitmap32bit] bitmap {
 		NETR_TRUST_FLAG_IN_FOREST = 0x00000001,
 		NETR_TRUST_FLAG_OUTBOUND  = 0x00000002,
 		NETR_TRUST_FLAG_TREEROOT  = 0x00000004,