diff --git a/backend/src/layout/mod.rs b/backend/src/layout/mod.rs
index 19bdcd41..54e97d5e 100644
--- a/backend/src/layout/mod.rs
+++ b/backend/src/layout/mod.rs
@@ -263,6 +263,7 @@ mod tests {
                     || k == "FAN_TOGGLE"
                     || k == "CAMERA_TOGGLE"
                     || k == "AIRPLANE_MODE"
+                    || k == "MIC_MUTE"
                 {
                     continue;
                 }