diff --git a/run_beaker_tests.sh b/run_beaker_tests.sh
index 7dd9f8b..85c65d7 100755
--- a/run_beaker_tests.sh
+++ b/run_beaker_tests.sh
@@ -19,7 +19,7 @@ source $SCRIPT_DIR/functions
 prepare_environment
 
 # run beaker tests
-export BEAKER_set=nodepool-centos7
+export BEAKER_set=${BEAKER_set:-nodepool-centos7}
 export BEAKER_debug=yes
 export BEAKER_color=no
 $GEM_HOME/bin/bundle exec rspec spec/acceptance