diff --git a/frontend/apps/reader/modules/readerthumbnail.lua b/frontend/apps/reader/modules/readerthumbnail.lua
index 2f34ca185..a55acd96e 100644
--- a/frontend/apps/reader/modules/readerthumbnail.lua
+++ b/frontend/apps/reader/modules/readerthumbnail.lua
@@ -542,6 +542,10 @@ function ReaderThumbnail:onCloseDocument()
     end
 end
 
+function ReaderThumbnail:onRenderingModeUpdate()
+    self:resetCache()
+end
+
 function ReaderThumbnail:onColorRenderingUpdate()
     self:setupColor()
     self:resetCache()
diff --git a/frontend/apps/reader/modules/readerview.lua b/frontend/apps/reader/modules/readerview.lua
index 7cea1aa98..04becde78 100644
--- a/frontend/apps/reader/modules/readerview.lua
+++ b/frontend/apps/reader/modules/readerview.lua
@@ -1063,6 +1063,7 @@ function ReaderView:getRenderModeMenuTable()
                 view.render_mode = mode
                 view.document.render_mode = mode
                 view:recalculate()
+                UIManager:broadcastEvent(Event:new("RenderingModeUpdate"))
             end,
         }
     end