diff --git a/WINGs/wtextfield.c b/WINGs/wtextfield.c
index de9e6925..c0634d83 100644
--- a/WINGs/wtextfield.c
+++ b/WINGs/wtextfield.c
@@ -1170,7 +1170,7 @@ handleTextFieldKeyPress(TextField *tPtr, XEvent *event)
 
     normal_key:
      default:
-	if (count > 0 && !iscntrl(buffer[0])) {
+	if (count > 0 && isprint(buffer[0])) {
             if (tPtr->selection.count)
                 WMDeleteTextFieldRange(tPtr, tPtr->selection);
 	    WMInsertTextFieldText(tPtr, buffer, tPtr->cursorPosition);