diff --git a/bin/ec2-cost b/bin/ec2-cost
index c4b56cd1..2f4a9b07 100755
--- a/bin/ec2-cost
+++ b/bin/ec2-cost
@@ -58,7 +58,7 @@ RX_RATE="0.10"
 TX_RATE="0.17"
 
 # Auto detect network interface
-IF=`route -n | grep "^0\.0\.0\.0" | tail -n1 | awk '{print $8}'`
+IF=`route -n | grep "0\.0\.0\.0" | tail -n1 | awk '{print $8}'`
 
 # Calculate bandwidth cost
 tx_gb=`/sbin/ifconfig "$IF" | grep "TX bytes:" | sed "s/^.*TX bytes://" | awk '{ printf "%f", $1 / 1024 / 1024 / 1024 }'`