diff --git a/rtgui/sharpening.cc b/rtgui/sharpening.cc
index dac7bb5bb..6a020b9e8 100644
--- a/rtgui/sharpening.cc
+++ b/rtgui/sharpening.cc
@@ -30,7 +30,7 @@ Sharpening::Sharpening () : FoldableToolPanel(this, "sharpening", M("TP_SHARPENI
 
     Gtk::HBox* hb = Gtk::manage (new Gtk::HBox ());
     hb->show ();
-    contrast = Gtk::manage(new Adjuster (M("TP_SHARPENING_CONTRAST"), 0, 100, 1, 0));
+    contrast = Gtk::manage(new Adjuster (M("TP_SHARPENING_CONTRAST"), 0, 200, 1, 0));
     contrast->setAdjusterListener (this);
     pack_start(*contrast);
     if (contrast->delay < options.adjusterMaxDelay) {