diff --git a/t/selenium/testrunner b/t/selenium/testrunner
index a337d164..df054c73 100755
--- a/t/selenium/testrunner
+++ b/t/selenium/testrunner
@@ -57,14 +57,14 @@ cd t/selenium
 
 if [ "${OUTPUT_TYPE:-}" = "junit" ] ; then
   #Change thread count here and in nose2cfg/jenkinstest.cfg
-  export THREADS=1
+  export THREADS=2
   export JENKINS=1
   python3 testrun.py -v -c nose2cfg/jenkinstest.cfg | \
     tee -a "${OUTPUT_DIRECTORY}/selenium.xml"
   RC="${PIPESTATUS[0]}"
 else
   #Change thread count here and in nose2cfg/localtest.cfg
-  export THREADS=2
+  export THREADS=1
   python3 testrun.py -v -c nose2cfg/localtest.cfg|| RC=$?
 fi