diff --git a/.coveragerc b/.coveragerc
index 53d8d93c3c..0e241088a0 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,3 +1,4 @@
 [run]
 source = avocado/, optional_plugins/
 concurrency = multiprocessing
+parallel = true
diff --git a/selftests/run_coverage b/selftests/run_coverage
index 7efad79263..89d54c4a52 100755
--- a/selftests/run_coverage
+++ b/selftests/run_coverage
@@ -15,7 +15,9 @@ echo "Using coverage utility: $COVERAGE"
 
 $COVERAGE erase
 rm -f .coverage.*
-$COVERAGE run selftests/check.py --skip=static-checks
+echo -e "import coverage\ncoverage.process_startup()" >> sitecustomize.py
+env COVERAGE_PROCESS_START=.coveragerc $COVERAGE run selftests/check.py --skip=static-checks
+rm -f sitecustomize.py
 $COVERAGE combine
 echo
 $COVERAGE report -m --include "avocado/core/*"