diff --git a/sys/pc98/cbus/clock.c b/sys/pc98/cbus/clock.c
index 0b846b612881..7b27b415801d 100644
--- a/sys/pc98/cbus/clock.c
+++ b/sys/pc98/cbus/clock.c
@@ -994,6 +994,7 @@ cpu_initclocks()
 		       "routing 8254 via 8259 and IOAPIC #0 intpin 0\n");
 #endif
 	
+	init_TSC_tc();
 }
 
 #ifdef APIC_IO
diff --git a/sys/pc98/cbus/pcrtc.c b/sys/pc98/cbus/pcrtc.c
index 0b846b612881..7b27b415801d 100644
--- a/sys/pc98/cbus/pcrtc.c
+++ b/sys/pc98/cbus/pcrtc.c
@@ -994,6 +994,7 @@ cpu_initclocks()
 		       "routing 8254 via 8259 and IOAPIC #0 intpin 0\n");
 #endif
 	
+	init_TSC_tc();
 }
 
 #ifdef APIC_IO
diff --git a/sys/pc98/pc98/clock.c b/sys/pc98/pc98/clock.c
index 0b846b612881..7b27b415801d 100644
--- a/sys/pc98/pc98/clock.c
+++ b/sys/pc98/pc98/clock.c
@@ -994,6 +994,7 @@ cpu_initclocks()
 		       "routing 8254 via 8259 and IOAPIC #0 intpin 0\n");
 #endif
 	
+	init_TSC_tc();
 }
 
 #ifdef APIC_IO