diff --git a/306-controller_interface.X/middleware/blinker.c b/306-controller_interface.X/middleware/blinker.c
index f8a948f..c3aee55 100644
--- a/306-controller_interface.X/middleware/blinker.c
+++ b/306-controller_interface.X/middleware/blinker.c
@@ -53,7 +53,7 @@ bool BLINKER_processEvent(Event* ev) {
         
         case STBL_ON:
             if (me->nBlinkIsOn) {
-                me->remainBlinks--;
+                me->remainBlinks = (me->remainBlinks) - 1;
             }
             if (evid == evBLtimer) {
                 me->state = STBL_OFF;