diff --git a/tests/topotests/pim_basic/test_pim.py b/tests/topotests/pim_basic/test_pim.py
index ce1abe42bb..74d5406970 100644
--- a/tests/topotests/pim_basic/test_pim.py
+++ b/tests/topotests/pim_basic/test_pim.py
@@ -132,14 +132,14 @@ def test_pim_send_mcast_stream():
     # Let's establish a S,G stream from r2 -> r1
     CWD = os.path.dirname(os.path.realpath(__file__))
     r2.run(
-        "{}/mcast-tx.py --ttl 5 --count 40 --interval 2 229.1.1.1 r2-eth0 > /tmp/bar".format(
-            CWD
+        "{}/mcast-tx.py --ttl 5 --count 40 --interval 2 229.1.1.1 r2-eth0 > {}/r2/mcast_tx_output".format(
+            CWD, tgen.logdir
         )
     )
     # And from r3 -> r1
     r3.run(
-        "{}/mcast-tx.py --ttl 5 --count 40 --interval 2 229.1.1.1 r3-eth0 > /tmp/bar".format(
-            CWD
+        "{}/mcast-tx.py --ttl 5 --count 40 --interval 2 229.1.1.1 r3-eth0 > {}/r3/mcast_tx_output".format(
+            CWD, tgen.logdir
         )
     )