summaryrefslogtreecommitdiff
path: root/ext/tk/lib/tkextlib/bwidget/scrollview.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ext/tk/lib/tkextlib/bwidget/scrollview.rb')
-rw-r--r--ext/tk/lib/tkextlib/bwidget/scrollview.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/tk/lib/tkextlib/bwidget/scrollview.rb b/ext/tk/lib/tkextlib/bwidget/scrollview.rb
index 0546af2c43..ab27bc91cf 100644
--- a/ext/tk/lib/tkextlib/bwidget/scrollview.rb
+++ b/ext/tk/lib/tkextlib/bwidget/scrollview.rb
@@ -16,7 +16,7 @@ end
class Tk::BWidget::ScrollView
TkCommandNames = ['ScrollView'.freeze].freeze
WidgetClassName = 'ScrollView'.freeze
- WidgetClassNames[WidgetClassName] = self
+ WidgetClassNames[WidgetClassName] ||= self
def __strval_optkeys
super() << 'fill'