diff --git a/run_tests.sh b/run_tests.sh
index 9b080e19..2034df82 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -142,5 +142,5 @@ fi
 
 if [ $coverage -eq 1 ]; then
   echo "Generating coverage report in covhtml/"
-  coverage html -d covhtml -i
+  ${wrapper} coverage html -d covhtml -i
 fi