diff --git a/Source/CursesDialog/cmCursesStringWidget.cxx b/Source/CursesDialog/cmCursesStringWidget.cxx
index 5c7414f..bd1ff71 100644
--- a/Source/CursesDialog/cmCursesStringWidget.cxx
+++ b/Source/CursesDialog/cmCursesStringWidget.cxx
@@ -175,7 +175,7 @@ bool cmCursesStringWidget::HandleInput(int& key, cmCursesMainForm* fm,
       }
     else if ( key == ctrl('d') ||key == KEY_DC )
       {
-      if ( form->curcol > 0 )
+      if ( form->curcol >= 0 )
         {
         form_driver(form, REQ_DEL_CHAR);
         }