diff --git a/libcli/smbreadline/smbreadline.c b/libcli/smbreadline/smbreadline.c
index cff25a7f5a5..80e10b0071c 100644
--- a/libcli/smbreadline/smbreadline.c
+++ b/libcli/smbreadline/smbreadline.c
@@ -141,7 +141,7 @@ char *smb_readline(const char *prompt, void (*callback)(void),
 
 #if HAVE_DECL_RL_EVENT_HOOK
 	if (callback)
-		rl_event_hook = (Function *)callback;
+		rl_event_hook = (rl_hook_func_t *)callback;
 #endif
 	ret = readline(prompt);
 	if (ret && *ret)