diff --git a/firmware/common/lcd_ili9341.hpp b/firmware/common/lcd_ili9341.hpp
index c277f407..628cfe17 100644
--- a/firmware/common/lcd_ili9341.hpp
+++ b/firmware/common/lcd_ili9341.hpp
@@ -33,7 +33,7 @@ namespace lcd {
 class ILI9341 {
 public:
 	constexpr ILI9341(
-	) : scroll_state { 0, 0, 320, 0 }
+	) : scroll_state { 0, 0, height(), 0 }
 	{
 	}
 
@@ -100,10 +100,10 @@ public:
 
 private:
 	struct scroll_t {
-		uint16_t top_area;
-		uint16_t bottom_area;
-		uint16_t height;
-		uint16_t current_position;
+		ui::Coord top_area;
+		ui::Coord bottom_area;
+		ui::Dim height;
+		ui::Coord current_position;
 	};
 
 	scroll_t scroll_state;