diff --git a/rtgui/sharpenmicro.cc b/rtgui/sharpenmicro.cc
index 8686b747b..971f9247a 100644
--- a/rtgui/sharpenmicro.cc
+++ b/rtgui/sharpenmicro.cc
@@ -32,7 +32,7 @@ SharpenMicro::SharpenMicro () : FoldableToolPanel(this, "sharpenmicro", M("TP_SH
     auto m = ProcEventMapper::getInstance();
     EvSharpenMicroContrast = m->newEvent(SHARPENING, "HISTORY_MSG_MICROCONTRAST_CONTRAST");
 
-    contrast = Gtk::manage(new Adjuster (M("TP_SHARPENMICRO_CONTRAST"), 0, 100, 1, 20));
+    contrast = Gtk::manage(new Adjuster (M("TP_SHARPENMICRO_CONTRAST"), 0, 200, 1, 20));
     contrast->setAdjusterListener (this);
     contrast->show();