diff --git a/lib/kafs/kafs.h b/lib/kafs/kafs.h
index 15d5c2934..81d1ceaa2 100644
--- a/lib/kafs/kafs.h
+++ b/lib/kafs/kafs.h
@@ -144,6 +144,8 @@ int k_afs_cell_of_file __P((const char *path, char *cell, int len));
 #define KRB5_H_INCLUDED
 #endif
 
+void kafs_set_verbose __P((void (*kafs_verbose)(void *, const char *, int),
+			   void *));
 int kafs_settoken_rxkad __P((const char *, struct ClearToken *,
 			     void *ticket, size_t ticket_len));
 #ifdef KRB_H_INCLUDED