diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 6bef927..4a65040 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1575,6 +1575,7 @@
 	conswitchp = &dummy_con;
 #endif
 #endif
+	tsc_init();
 }
 
 static __init int add_pcspkr(void)