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-rw-r--r--libs/gtkmm2ext/pixfader.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/gtkmm2ext/pixfader.cc b/libs/gtkmm2ext/pixfader.cc
index aebcd7d1b3..f0ba652052 100644
--- a/libs/gtkmm2ext/pixfader.cc
+++ b/libs/gtkmm2ext/pixfader.cc
@@ -41,7 +41,7 @@ PixFader::PixFader (Glib::RefPtr<Pixbuf> belt, Gtk::Adjustment& adj)
view.width = pixbuf->get_width();
view.height = pixheight / 2;
- unity_y = (int) rint (view.height - (default_value * view.height));
+ unity_y = (int) rint (view.height - (default_value * view.height)) - 1;
add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK|Gdk::SCROLL_MASK);