diff --git a/simulator/timer_ext.c b/simulator/timer_ext.c
index d11f98c..3ff4d9b 100644
--- a/simulator/timer_ext.c
+++ b/simulator/timer_ext.c
@@ -9,7 +9,7 @@
 #include <stdio.h> // printf
 #include <unistd.h> // usleep
 
-#define TIME_SLOW_FACTOR 1
+#define TIME_SLOW_FACTOR 10
 
 static void schedule_timer(uint32_t useconds);