diff --git a/radio/src/timers.cpp b/radio/src/timers.cpp
index afda7f0ef..0ee289e78 100644
--- a/radio/src/timers.cpp
+++ b/radio/src/timers.cpp
@@ -74,7 +74,7 @@ void evalTimers(int16_t throttle, uint8_t tick10ms)
   for (uint8_t i=0; i<TIMERS; i++) {
     tmrmode_t timerMode = g_model.timers[i].mode;
     tmrstart_t timerStart = g_model.timers[i].start;
-    uint16_t    timerSwtch = g_model.timers[i].swtch;
+    int16_t     timerSwtch = g_model.timers[i].swtch;
     TimerState * timerState = &timersStates[i];
 
     if (timerMode) {