1 files changed, 8 insertions, 1 deletions

diff --git a/firmware/target/arm/as3525/timer-target.h b/firmware/target/arm/as3525/timer-target.h
index 21ee6e7804..b5cdb74e85 100644
--- a/firmware/target/arm/as3525/timer-target.h
+++ b/firmware/target/arm/as3525/timer-target.h
@@ -25,7 +25,14 @@ bool __timer_set(long cycles, bool set);
 bool __timer_register(void);
 void __timer_unregister(void);
 
-#define TIMER_FREQ (24000000 / 16)
+#ifdef HAVE_SCROLLWHEEL
+/* The scrollwheel is polled every 5 ms (the tick tasks still every 10ms) */
+#define TIMER_DIV (16*2)
+#else
+#define TIMER_DIV (16)
+#endif
+
+#define TIMER_FREQ (24000000 / TIMER_DIV)
 
 #define __TIMER_SET(cycles, set) \
     __timer_set(cycles, set)