diff --git a/main.py b/main.py
index 8035be8..adb818c 100644
--- a/main.py
+++ b/main.py
@@ -262,7 +262,7 @@ def loop():
         oled.text("R", 0, 10)
         oled.text(f"{state['volume']['left']:3d}", 104, 0)
         oled.text(f"{state['volume']['right']:3d}", 104, 10)
-        if state["volume"]["muted"]:
+        if state["volume"]["muted"] == "ON":
             oled.framebuf.rect(40, 4, 4 * 8 + 2, 10, 0, True)
             oled.framebuf.rect(39, 3, 4 * 8 + 4, 12, 1)
             oled.framebuf.rect(38, 2, 4 * 8 + 6, 14, 0)