diff --git a/plugins/lua/eventful.lua b/plugins/lua/eventful.lua
index 0035c3a53..3fc192505 100644
--- a/plugins/lua/eventful.lua
+++ b/plugins/lua/eventful.lua
@@ -106,10 +106,14 @@ function registerSidebar(shop_name,callback)
     else
         local function drawSidebar( wshop )
             local valid_focus="dwarfmode/QueryBuilding"
+            local another_overlay="dfhack/lua/WorkshopOverlay"
             if wshop:getMaxBuildStage()==wshop:getBuildStage() then
                 local sidebar=callback{workshop=wshop}
-                if string.sub(dfhack.gui.getCurFocus(),1,#valid_focus)==valid_focus then
-                    sidebar:show()
+                if string.sub(dfhack.gui.getCurFocus(true),1,#another_overlay)==another_overlay then
+                    dfhack.screen.dismiss(dfhack.gui.getCurViewscreen(true))
+                end
+                if string.sub(dfhack.gui.getCurFocus(true),1,#valid_focus)==valid_focus then
+                    sidebar:show(dfhack.gui.getCurViewscreen(true))
                 end
             end
         end