diff --git a/src/Kaleidoscope-LEDControl.cpp b/src/Kaleidoscope-LEDControl.cpp
index 73b80b92..c62abe16 100644
--- a/src/Kaleidoscope-LEDControl.cpp
+++ b/src/Kaleidoscope-LEDControl.cpp
@@ -212,7 +212,7 @@ bool LEDControl::focusHook(const char *command) {
       next_mode();
       Serial.read();
     } else if (peek == 'p') {
-      // TODO(algernon)
+      prev_mode();
       Serial.read();
     } else {
       uint8_t mode = Serial.parseInt();