diff --git a/surveillance/collisions_ipv6.py b/surveillance/collisions_ipv6.py
index 1441ae56..6916bdc5 100755
--- a/surveillance/collisions_ipv6.py
+++ b/surveillance/collisions_ipv6.py
@@ -5,8 +5,8 @@
 
 import psycopg2
 import sys
-sys.path.append('/usr/scripts/gestion')
-import ipt
+sys.path.append('/usr/scripts')
+import gestion.ipt as ipt
 
 # Connection à la base sql via pgsql
 pgsql = psycopg2.connect(database='filtrage', user='crans')
@@ -15,7 +15,15 @@ pgsql.set_isolation_level(0)
 curseur = pgsql.cursor()
 
 # On regarde s'il y a deux ipv6 identiques avec des mac non identiques
-collision_mac_ip_request = "SELECT DISTINCT a.date as date1, a.mac as mac1, a.ip as ip1, b.date as date2, b.mac as mac2, b.ip as ip2 FROM mac_ip as a, mac_ip as b where a.ip=b.ip AND a.mac != b.mac AND a.date >= b.date AND a.date - b.date < interval '3 day' ORDER BY a.date;"
+collision_mac_ip_request = """SELECT DISTINCT
+    a.date as date1, a.mac as mac1, a.ip as ip1,
+    b.date as date2, b.mac as mac2, b.ip as ip2
+FROM mac_ip as a, mac_ip as b
+WHERE a.ip = b.ip AND
+      a.mac != b.mac AND
+      a.date >= b.date AND
+      a.date - b.date < interval '3 day'
+ORDER BY a.date;"""
 curseur.execute(collision_mac_ip_request)
 collision_mac_ip = curseur.fetchall()