diff --git a/server/drivers/hd44780.c b/server/drivers/hd44780.c
index 59d22b0..23ebb1e 100644
--- a/server/drivers/hd44780.c
+++ b/server/drivers/hd44780.c
@@ -393,7 +393,8 @@ HD44780_init(Driver *drvthis)
 
 	// consistency check: fail if local senddata function was not defined
 	if (p->hd44780_functions->senddata == NULL) {
-		report(RPT_ERR, "%s: incomplete functions for connection type");
+		report(RPT_ERR, "%s: incomplete functions for connection type",
+				drvthis->name);
 		return -1;
 	}