diff --git a/sys/dev/ixgbe/ixgbe.c b/sys/dev/ixgbe/ixgbe.c
index ae76e9ff6968..6277848c0b47 100644
--- a/sys/dev/ixgbe/ixgbe.c
+++ b/sys/dev/ixgbe/ixgbe.c
@@ -265,7 +265,7 @@ TUNABLE_INT("hw.ixgbe.enable_msix", &ixgbe_enable_msix);
  * it can be a performance win in some workloads, but
  * in others it actually hurts, its off by default. 
  */
-static bool ixgbe_header_split = FALSE;
+static int ixgbe_header_split = FALSE;
 TUNABLE_INT("hw.ixgbe.hdr_split", &ixgbe_header_split);
 
 /*
@@ -3066,7 +3066,7 @@ ixgbe_free_transmit_buffers(struct tx_ring *txr)
  *
  **********************************************************************/
 
-static boolean_t
+static bool
 ixgbe_tx_ctx_setup(struct tx_ring *txr, struct mbuf *mp)
 {
 	struct adapter *adapter = txr->adapter;
@@ -3184,7 +3184,7 @@ ixgbe_tx_ctx_setup(struct tx_ring *txr, struct mbuf *mp)
  *  adapters using advanced tx descriptors
  *
  **********************************************************************/
-static boolean_t
+static bool
 ixgbe_tso_setup(struct tx_ring *txr, struct mbuf *mp, u32 *paylen)
 {
 	struct adapter *adapter = txr->adapter;
@@ -3348,7 +3348,7 @@ ixgbe_atr(struct tx_ring *txr, struct mbuf *mp)
  *  tx_buffer is put back on the free queue.
  *
  **********************************************************************/
-static boolean_t
+static bool
 ixgbe_txeof(struct tx_ring *txr)
 {
 	struct adapter	*adapter = txr->adapter;
diff --git a/sys/dev/ixgbe/ixgbe_osdep.h b/sys/dev/ixgbe/ixgbe_osdep.h
index 03ea5b55a1cf..19dbf6b808cf 100644
--- a/sys/dev/ixgbe/ixgbe_osdep.h
+++ b/sys/dev/ixgbe/ixgbe_osdep.h
@@ -95,7 +95,9 @@ typedef uint16_t	u16;
 typedef uint32_t	u32;
 typedef int32_t		s32;
 typedef uint64_t	u64;
+#ifndef __bool_true_false_are_defined
 typedef boolean_t	bool;
+#endif
 
 #define le16_to_cpu 
 
diff --git a/sys/dev/ixgbe/ixv.c b/sys/dev/ixgbe/ixv.c
index e52a5273e55b..eaf05d21c723 100644
--- a/sys/dev/ixgbe/ixv.c
+++ b/sys/dev/ixgbe/ixv.c
@@ -207,7 +207,7 @@ TUNABLE_INT("hw.ixv.flow_control", &ixv_flow_control);
  * it can be a performance win in some workloads, but
  * in others it actually hurts, its off by default.
  */
-static bool ixv_header_split = FALSE;
+static int ixv_header_split = FALSE;
 TUNABLE_INT("hw.ixv.hdr_split", &ixv_header_split);
 
 /*
@@ -2374,7 +2374,7 @@ ixv_free_transmit_buffers(struct tx_ring *txr)
  *
  **********************************************************************/
 
-static boolean_t
+static bool
 ixv_tx_ctx_setup(struct tx_ring *txr, struct mbuf *mp)
 {
 	struct adapter *adapter = txr->adapter;
@@ -2497,7 +2497,7 @@ ixv_tx_ctx_setup(struct tx_ring *txr, struct mbuf *mp)
  *  adapters using advanced tx descriptors
  *
  **********************************************************************/
-static boolean_t
+static bool
 ixv_tso_setup(struct tx_ring *txr, struct mbuf *mp, u32 *paylen)
 {
 	struct adapter *adapter = txr->adapter;
@@ -2586,7 +2586,7 @@ ixv_tso_setup(struct tx_ring *txr, struct mbuf *mp, u32 *paylen)
  *  tx_buffer is put back on the free queue.
  *
  **********************************************************************/
-static boolean_t
+static bool
 ixv_txeof(struct tx_ring *txr)
 {
 	struct adapter	*adapter = txr->adapter;