diff --git a/libcontainerd/client_windows.go b/libcontainerd/client_windows.go
index e054052a6e..dbcf90f28c 100644
--- a/libcontainerd/client_windows.go
+++ b/libcontainerd/client_windows.go
@@ -324,7 +324,7 @@ func (clnt *client) SignalProcess(containerID string, processFriendlyName string
 
 	for _, p := range cont.processes {
 		if p.friendlyName == processFriendlyName {
-			return hcsshim.TerminateProcessInComputeSystem(containerID, p.systemPid)
+			return p.hcsProcess.Kill()
 		}
 	}