diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 6179a0a2032c..c72787adeba3 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -1088,7 +1088,7 @@ static int s2io_print_pci_mode(struct s2io_nic *nic)
  *  '-1' on failure
  */
 
-int init_tti(struct s2io_nic *nic, int link)
+static int init_tti(struct s2io_nic *nic, int link)
 {
 	struct XENA_dev_config __iomem *bar0 = nic->bar0;
 	register u64 val64 = 0;