diff --git a/sys/dev/e1000/if_igb.c b/sys/dev/e1000/if_igb.c
index b8d288d3e450..3027a1416124 100644
--- a/sys/dev/e1000/if_igb.c
+++ b/sys/dev/e1000/if_igb.c
@@ -2458,7 +2458,7 @@ igb_allocate_msix(struct adapter *adapter)
 	device_t		dev = adapter->dev;
 	struct igb_queue	*que = adapter->queues;
 	int			error, rid, vector = 0;
-	int			cpu_id;
+	int			cpu_id = 0;
 
 	/* Be sure to start with all interrupts disabled */
 	E1000_WRITE_REG(&adapter->hw, E1000_IMC, ~0);
diff --git a/sys/dev/ixgbe/ixgbe.c b/sys/dev/ixgbe/ixgbe.c
index 5f694cbe479c..ec5c215d77b1 100644
--- a/sys/dev/ixgbe/ixgbe.c
+++ b/sys/dev/ixgbe/ixgbe.c
@@ -2364,7 +2364,7 @@ ixgbe_allocate_msix(struct adapter *adapter)
 	struct 		ix_queue *que = adapter->queues;
 	struct  	tx_ring *txr = adapter->tx_rings;
 	int 		error, rid, vector = 0;
-	int		cpu_id;
+	int		cpu_id = 0;
 
 #ifdef	RSS
 	/*