diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 4bc053ffc37e85974f5a70b8976c897a133cf7cb..a90e902f4b3e2178de2faed69e1c67905d751bac 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3710,7 +3710,7 @@ static void setup_struct_wldev_for_init(struct b43_wldev *dev)
 static void b43_bluetooth_coext_enable(struct b43_wldev *dev)
 {
 	struct ssb_sprom *sprom = &dev->dev->bus->sprom;
-	u32 hf;
+	u64 hf;
 
 	if (!modparam_btcoex)
 		return;
@@ -3860,7 +3860,8 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
 	struct ssb_sprom *sprom = &bus->sprom;
 	struct b43_phy *phy = &dev->phy;
 	int err;
-	u32 hf, tmp;
+	u64 hf;
+	u32 tmp;
 
 	B43_WARN_ON(b43_status(dev) != B43_STAT_UNINIT);
 
diff --git a/drivers/net/wireless/b43/phy.c b/drivers/net/wireless/b43/phy.c
index 575c5436ebdfdcdcfcd8ab56a8671c1da3dd0a9a..de024dc03718571296577a14bac34467b3ffd0f8 100644
--- a/drivers/net/wireless/b43/phy.c
+++ b/drivers/net/wireless/b43/phy.c
@@ -2043,7 +2043,7 @@ int b43_phy_init(struct b43_wldev *dev)
 void b43_set_rx_antenna(struct b43_wldev *dev, int antenna)
 {
 	struct b43_phy *phy = &dev->phy;
-	u32 hf;
+	u64 hf;
 	u16 tmp;
 	int autodiv = 0;