diff --git a/libs/core/screen.cpp b/libs/core/screen.cpp
index 629c16ac..f7f20bb1 100644
--- a/libs/core/screen.cpp
+++ b/libs/core/screen.cpp
@@ -63,6 +63,11 @@ void updateScreen(Image img) {
     }
 }
 
+//%
+void updateStats(String str) {
+
+}
+
 void screen_init() {
     DMESG("init screen");
     if (mappedFrameBuffer)
diff --git a/libs/screen/targetoverrides.ts b/libs/screen/targetoverrides.ts
index b0dee8cb..23aeab17 100644
--- a/libs/screen/targetoverrides.ts
+++ b/libs/screen/targetoverrides.ts
@@ -5,25 +5,21 @@
 //% groups=["0.,","1#*"]
 function img(lits: any, ...args: any[]): Image { return null }
 
-
 let screen = image.create(DAL.LCD_WIDTH, DAL.LCD_HEIGHT)
 
 namespace _screen_internal {
     //% shim=pxt::updateScreen
     function updateScreen(img: Image): void {}
+    //% shim=pxt::updateStats
+    function updateStats(msg: string): void {}
 
-    control.addFrameHandler(200, () => {
-        updateScreen(screen)
-    })
-
-    updateScreen(screen)
+    control.setupScreenRefresh(() => updateScreen(screen))
 
     export function _stats(msg: string) {
-        // show the msg somewhere - it contains frame rate etc
+        updateStats(msg)
     }
 }
 
-
 namespace brick {
     export const LINE_HEIGHT = 12;
 
diff --git a/package.json b/package.json
index 999f04f9..346127b9 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "webfonts-generator": "^0.4.0"
   },
   "dependencies": {
-    "pxt-common-packages": "0.20.4",
+    "pxt-common-packages": "0.20.5",
     "pxt-core": "3.4.9"
   },
   "scripts": {
diff --git a/sim/state/screen.ts b/sim/state/screen.ts
index 68235d30..34275928 100644
--- a/sim/state/screen.ts
+++ b/sim/state/screen.ts
@@ -98,3 +98,9 @@ namespace pxsim.image {
         return image.ofBuffer(res)
     }
 }
+
+namespace pxsim.pxtcore {
+    export function updateStats(str: string) {
+        // TODO
+    }
+}
\ No newline at end of file