diff --git a/flow/proc_dict.cfg b/flow/proc_dict.cfg
index 12ab3df..666838b 100644
--- a/flow/proc_dict.cfg
+++ b/flow/proc_dict.cfg
@@ -719,7 +719,7 @@
 
       piano_voice: {
         vars: {
-	  wtb_dir: { type:string, flags:["init"], doc:"Wave table bank cfg. file." },
+	  wtb_fname: { type:string, flags:["init"], doc:"Wave table bank cfg. file." },
 	  wtb_instr:   { type:string, value:"piano", flags:["init"], doc:"Instrument label of the selected wave-table bank."},
 	  in:      { type:midi,   doc:"MIDI in" },
 	  out:     { type:audio,  doc:"Audio out" },