diff --git a/testing/mozbase/mozsystemmonitor/mozsystemmonitor/resourcemonitor.py b/testing/mozbase/mozsystemmonitor/mozsystemmonitor/resourcemonitor.py
index 5885bedd77c..e7a7b52fd01 100644
--- a/testing/mozbase/mozsystemmonitor/mozsystemmonitor/resourcemonitor.py
+++ b/testing/mozbase/mozsystemmonitor/mozsystemmonitor/resourcemonitor.py
@@ -286,7 +286,7 @@ class SystemResourceMonitor(object):
 
         done = False
 
-        while self._pipe.poll(1):
+        while self._pipe.poll(0.1):
             start_time, end_time, io_diff, cpu_diff, cpu_percent, virt_mem, \
                 swap_mem = self._pipe.recv()