diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 78b7167..39db0e9 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -837,7 +837,7 @@
 	return 0;
 }
 
-static struct dev_pm_ops vortex_pm_ops = {
+static const struct dev_pm_ops vortex_pm_ops = {
 	.suspend = vortex_suspend,
 	.resume = vortex_resume,
 	.freeze = vortex_suspend,