diff --git a/core/embed/trezorhal/unix/systimer.c b/core/embed/trezorhal/unix/systimer.c
index a678efd982..1088f96bbd 100644
--- a/core/embed/trezorhal/unix/systimer.c
+++ b/core/embed/trezorhal/unix/systimer.c
@@ -38,7 +38,7 @@ void systimer_init(void) {
     return;
   }
 
-  memset(&drv, 0, sizeof(systimer_driver_t));
+  memset(drv, 0, sizeof(systimer_driver_t));
   drv->initialized = true;
 }