diff --git a/src/main/drivers/timer.h b/src/main/drivers/timer.h
index 2151b5c64b..7476eb0ac3 100644
--- a/src/main/drivers/timer.h
+++ b/src/main/drivers/timer.h
@@ -114,9 +114,9 @@ typedef struct timerHardware_s {
 } timerHardware_t;
 
 typedef enum {
-    TIMER_OUTPUT_NONE      = 0x00,
-    TIMER_OUTPUT_INVERTED  = 0x02,
-    TIMER_OUTPUT_N_CHANNEL = 0x04
+    TIMER_OUTPUT_NONE      = 0,
+    TIMER_OUTPUT_INVERTED  = (1 << 0),
+    TIMER_OUTPUT_N_CHANNEL = (1 << 1),
 } timerFlag_e;
 
 #ifdef STM32F1