diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c
index 9240ebf9af..3438314c35 100644
--- a/hw/m68k/mcf5208.c
+++ b/hw/m68k/mcf5208.c
@@ -21,7 +21,7 @@
 #include "elf.h"
 #include "exec/address-spaces.h"
 
-#define SYS_FREQ 66000000
+#define SYS_FREQ 166666666
 
 #define PCSR_EN         0x0001
 #define PCSR_RLD        0x0002