diff --git a/tests/letstest/multitester.py b/tests/letstest/multitester.py
index 9c1c0931d..566bb5f5f 100644
--- a/tests/letstest/multitester.py
+++ b/tests/letstest/multitester.py
@@ -552,9 +552,14 @@ def main():
         # add SENTINELs to end client processes
         for i in range(num_processes):
             inqueue.put(SENTINEL)
-        # wait on termination of client processes
+        print('Waiting on client processes', end='')
         for p in jobs:
-            p.join()
+            while p.is_alive():
+                p.join(5 * 60)
+                # Regularly print output to keep Travis happy
+                print('.', end='')
+                sys.stdout.flush()
+        print()
         # add SENTINEL to output queue
         outqueue.put(SENTINEL)