diff --git a/wifi/capture.sh b/wifi/capture.sh
index ce0879d..d51faf0 100755
--- a/wifi/capture.sh
+++ b/wifi/capture.sh
@@ -59,6 +59,7 @@ CHANNEL=1
 IFACE=$1
 # Machine information:
 OS=`uname`
+OS_RELEASE=`uname -r`
 HOSTNAME=`uname -n`
 
 echo -n "Shuting down interface $IFACE... "
@@ -84,7 +85,7 @@ ifconfig $IFACE up && echo "OK." \
 	|| error "Cannot turn the interface up!"
 
 echo "Capturing $NB_PKT packets..."
-DIR=$(mktemp -d "$TMP"/capture_${OS}_${IFACE}_${HOSTNAME}-XXXXXXXX)
+DIR=$(mktemp -d "$TMP"/capture_${OS}-${OS_RELEASE}_${IFACE}_${HOSTNAME}-XXXXXXXXXX)
 FILE="$DIR/$FILE"
 tcpdump -i $IFACE -c $NB_PKT -w "$FILE"
 echo "Capture file \"$FILE\" created."