diff --git a/radio/src/gui/colorlcd/LvglWrapper.cpp b/radio/src/gui/colorlcd/LvglWrapper.cpp
index 94635fd16..afa93000d 100644
--- a/radio/src/gui/colorlcd/LvglWrapper.cpp
+++ b/radio/src/gui/colorlcd/LvglWrapper.cpp
@@ -93,6 +93,7 @@ lv_color_t makeLvColor(uint32_t colorFlags)
 
 lv_obj_t * canvas=nullptr;
 static lv_color_t cbuf[LV_CANVAS_BUF_SIZE_TRUE_COLOR(LCD_W, LCD_H)] __SDRAM;
+BitmapBuffer canBuf(BMP_RGB565, LCD_W, LCD_H, (uint16_t *)cbuf);
 
 extern BitmapBuffer * lcdFront;
 extern BitmapBuffer * lcd;
diff --git a/radio/src/thirdparty/libopenui b/radio/src/thirdparty/libopenui
index 2435236d7..6823e11f1 160000
--- a/radio/src/thirdparty/libopenui
+++ b/radio/src/thirdparty/libopenui
@@ -1 +1 @@
-Subproject commit 2435236d7186f2365a4dc0a63f1d1f846defb1d0
+Subproject commit 6823e11f1350a4384199f73625633d0897a13367