diff --git a/avr/common/debug.asm b/avr/common/debug.asm
index 110c5f3..1fe774f 100644
--- a/avr/common/debug.asm
+++ b/avr/common/debug.asm
@@ -38,6 +38,8 @@ DEBUG2:
 ; @clobbers (R16, R18, R22, R24, R25)
 
 blinkLed:
+  sbi LED_SIMPLE_DDR, LED_SIMPLE_PINNUM     ; out
+blinkLed_loop:
     cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM  ; on
     mov r22, r20
     rcall waitForMultiple100ms              ; (R252
@@ -45,7 +47,7 @@ blinkLed:
     mov r22, r21
     rcall waitForMultiple100ms              ; (R22)
     dec r19
-  brne blinkLed  
+  brne blinkLed_loop
   ret