diff --git a/esphome/owon-b35t-m5stack-core2.h b/esphome/owon-b35t-m5stack-core2.h
index 647d5e4..3dd7ae5 100644
--- a/esphome/owon-b35t-m5stack-core2.h
+++ b/esphome/owon-b35t-m5stack-core2.h
@@ -574,12 +574,12 @@ class Meter {
   void draw_segment_(Display &it, int x, int y, int w, int h, bool horizontal, Color color) {
     if (horizontal) {
       int cap = h / 2;
-      it.filled_rectangle(x + cap, y, w - 2 * cap, h, color);
+      it.filled_rectangle(x + cap, y, w - 2 * cap, h +1, color);
       it.filled_triangle(x, y + cap, x + cap, y, x + cap, y + h, color);
       it.filled_triangle(x + w, y + cap, x + w - cap, y, x + w - cap, y + h, color);
     } else {
       int cap = w / 2;
-      it.filled_rectangle(x, y + cap, w, h - 2 * cap, color);
+      it.filled_rectangle(x, y + cap, w +1, h - 2 * cap, color);
       it.filled_triangle(x + cap, y, x, y + cap, x + w, y + cap, color);
       it.filled_triangle(x + cap, y + h, x, y + h - cap, x + w, y + h - cap, color);
     }