diff --git a/esmvaltool/utils/recipe_test_workflow/recipe_test_workflow/app/compare/bin/compare_task_runner.sh b/esmvaltool/utils/recipe_test_workflow/recipe_test_workflow/app/compare/bin/compare_task_runner.sh
index 50cb67bf02..a39e5a3cec 100755
--- a/esmvaltool/utils/recipe_test_workflow/recipe_test_workflow/app/compare/bin/compare_task_runner.sh
+++ b/esmvaltool/utils/recipe_test_workflow/recipe_test_workflow/app/compare/bin/compare_task_runner.sh
@@ -10,4 +10,4 @@ KGO="${KGO_ROOT_PATH}/${RECIPE_NAME}*"
 COMPARE_SCRIPT="${ESMVALTOOL_DIR}/esmvaltool/utils/testing/regression/compare.py"
 
 # Run the compare script.
-python "${COMPARE_SCRIPT}" ${KGO} ${FOLDER_NAME}
+python "${COMPARE_SCRIPT}" ${KGO} ${FOLDER_NAME} --verbose