diff --git a/controller/src/logic/mod.rs b/controller/src/logic/mod.rs
index fb683b42853a1af113b4abc2084447af55d287e0..7416d82e2432c0d83a5fd4526f648a675c76d099 100644
--- a/controller/src/logic/mod.rs
+++ b/controller/src/logic/mod.rs
@@ -78,7 +78,7 @@ fn process_command(
                 response.push(b).unwrap();
             }
         }
-        [CMD_WHO_AM_I, ..] => {
+        [CMD_WHO_AM_I] => {
             response.push(0x57).unwrap();
         }
         &[CMD_PWM_FREQUENCY, a, b, c] => {