diff --git a/src/dev/arm/RealView.py b/src/dev/arm/RealView.py
index 876188c12..93f534eb3 100644
--- a/src/dev/arm/RealView.py
+++ b/src/dev/arm/RealView.py
@@ -327,8 +327,8 @@ class VExpress_EMM(RealView):
     realview_io = RealViewCtrl(proc_id0=0x14000000, proc_id1=0x14000000, pio_addr=0x1C010000)
     gic = Gic(dist_addr=0x2C001000, cpu_addr=0x2C002000)
     local_cpu_timer = CpuLocalTimer(int_num_timer=29, int_num_watchdog=30, pio_addr=0x2C080000)
-    timer0 = Sp804(int_num0=34, int_num1=34, pio_addr=0x1C110000, clock0='50MHz', clock1='50MHz')
-    timer1 = Sp804(int_num0=35, int_num1=35, pio_addr=0x1C120000, clock0='50MHz', clock1='50MHz')
+    timer0 = Sp804(int_num0=34, int_num1=34, pio_addr=0x1C110000, clock0='1MHz', clock1='1MHz')
+    timer1 = Sp804(int_num0=35, int_num1=35, pio_addr=0x1C120000, clock0='1MHz', clock1='1MHz')
     clcd   = Pl111(pio_addr=0x1c1f0000, int_num=46)
     kmi0   = Pl050(pio_addr=0x1c060000, int_num=44)
     kmi1   = Pl050(pio_addr=0x1c070000, int_num=45)