diff --git a/autotests/util/testutil.py b/autotests/util/testutil.py
index f50223b1..c649b387 100644
--- a/autotests/util/testutil.py
+++ b/autotests/util/testutil.py
@@ -164,7 +164,7 @@ def test_ip_connected(tup0, tup1):
     ip1, ns1 = tup1
 
     try:
-        ns0.start_process(['ping', '-c', '5', '-i', '0.2', ip1], check=True)
-        ns1.start_process(['ping', '-c', '5', '-i', '0.2', ip0], check=True)
+        ns0.start_process(['ping', '-c', '5', '-i', '0.2', ip1], wait=True, check=True)
+        ns1.start_process(['ping', '-c', '5', '-i', '0.2', ip0], wait=True, check=True)
     except:
         raise Exception('Could not ping between %s and %s' % (ip0, ip1))