diff --git a/rtdata/languages/default b/rtdata/languages/default
index 759dcd1bc..5f0976900 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -934,7 +934,7 @@ MAIN_TOOLTIP_PREVIEWFOCUSMASK;Preview the <b>focus mask</b>.\nShortcut: <b>Shift
 MAIN_TOOLTIP_PREVIEWG;Preview the <b>green channel</b>.\nShortcut: <b>g</b>
 MAIN_TOOLTIP_PREVIEWL;Preview the <b>luminosity</b>.\nShortcut: <b>v</b>\n\n0.299*R + 0.587*G + 0.114*B
 MAIN_TOOLTIP_PREVIEWR;Preview the <b>red channel</b>.\nShortcut: <b>r</b>
-MAIN_TOOLTIP_PREVIEWSHARPMASK;Preview the <b>sharpening contrast mask</b>.\nShortcut: <b>None</b>\n\nOnly works when sharpening is enabled and zoom >= 100%.
+MAIN_TOOLTIP_PREVIEWSHARPMASK;Preview the <b>sharpening contrast mask</b>.\nShortcut: <b>p</b>\n\nOnly works when sharpening is enabled and zoom >= 100%.
 MAIN_TOOLTIP_QINFO;Quick info on the image.\nShortcut: <b>i</b>
 MAIN_TOOLTIP_SHOWHIDELP1;Show/Hide the left panel.\nShortcut: <b>l</b>
 MAIN_TOOLTIP_SHOWHIDERP1;Show/Hide the right panel.\nShortcut: <b>Alt-l</b>
diff --git a/rtgui/editorpanel.cc b/rtgui/editorpanel.cc
index 1f46d60e7..f44e682f2 100644
--- a/rtgui/editorpanel.cc
+++ b/rtgui/editorpanel.cc
@@ -1640,6 +1640,10 @@ bool EditorPanel::handleShortcutKey (GdkEventKey* event)
                     iareapanel->imageArea->previewModePanel->toggleB();
                     return true;
 
+                case GDK_KEY_p: //preview mode Sharpening Contrast mask
+                    iareapanel->imageArea->indClippedPanel->toggleSharpMask();
+                    return true;
+
                 case GDK_KEY_v: //preview mode Luminosity
                     iareapanel->imageArea->previewModePanel->toggleL();
                     return true;