diff --git a/src/dev/arm/generic_timer.cc b/src/dev/arm/generic_timer.cc
index f5b46fa..20aaf82 100644
--- a/src/dev/arm/generic_timer.cc
+++ b/src/dev/arm/generic_timer.cc
@@ -730,6 +730,7 @@
     ArmInterruptPin *_irqVirt, ArmInterruptPin *_irqHyp)
       : parent(_parent),
         cntfrq(parent.params().cntfrq),
+        cntkctl(0), cnthctl(0),
         threadContext(system.threads[cpu]),
         irqPhysS(_irqPhysS),
         irqPhysNS(_irqPhysNS),