diff --git a/tox.ini b/tox.ini
index a4edae439..795c20233 100644
--- a/tox.ini
+++ b/tox.ini
@@ -107,14 +107,16 @@ deps =
     reppy
     robotexclusionrulesparser
 
+[asyncio]
+commands =
+    py.test --cov=scrapy --cov-report= --reactor=asyncio {posargs:scrapy tests}
+
 [testenv:py35-asyncio]
 basepython = python3.5
 deps = {[testenv]deps}
-commands =
-    py.test --cov=scrapy --cov-report= --reactor=asyncio {posargs:scrapy tests}
+commands = {[asyncio]commands}
 
 [testenv:py38-asyncio]
 basepython = python3.8
 deps = {[testenv]deps}
-commands =
-    py.test --cov=scrapy --cov-report= --reactor=asyncio {posargs:scrapy tests}
+commands = {[asyncio]commands}