diff --git a/tox.ini b/tox.ini
index fcdf6ff0b9..e3c8fcfd48 100644
--- a/tox.ini
+++ b/tox.ini
@@ -197,7 +197,7 @@ regex2 = '(?!.*\[.*\bslow\b.*\])(^tempest\.scenario)|(^tempest\.serial_tests)'
 # tests listed in exclude-list file:
 commands =
     find . -type f -name "*.pyc" -delete
-    tempest run --regex {[testenv:integrated-compute]regex1} --exclude-list ./tools/tempest-integrated-gate-compute-exclude-list.txt {posargs}
+    tempest run --slowest --regex {[testenv:integrated-compute]regex1} --exclude-list ./tools/tempest-integrated-gate-compute-exclude-list.txt {posargs}
     tempest run --combine --serial --slowest --regex {[testenv:integrated-compute]regex2} --exclude-list ./tools/tempest-integrated-gate-compute-exclude-list.txt {posargs}
 
 [testenv:integrated-placement]