1 files changed, 4 insertions, 2 deletions
diff --git a/tox.ini b/tox.ini
index ef91f4485..7d5826a4b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -40,8 +40,10 @@ whitelist_externals=sh
 setenv=
     PYTHONPATH=
     PYTHONNOUSERSITE=1
-    BASECOMMAND=python -m pytest -n4 --dropfirst
+    BASECOMMAND=python -m pytest --dropfirst
 
+    WORKERS=-n4
+    oracle: WORKERS=-n2
     nocext: DISABLE_SQLALCHEMY_CEXT=1
     cov: COVERAGE={[testenv]cov_args}
     sqlite: SQLITE=--db sqlite
@@ -59,7 +61,7 @@ passenv=ORACLE_HOME NLS_LANG
 # for nocext, we rm *.so in lib in case we are doing usedevelop=True
 commands=
   {nocext}: sh -c "rm -f lib/sqlalchemy/*.so"
-  {env:BASECOMMAND} {env:SQLITE:} {env:POSTGRESQL:} {env:MYSQL:} {env:ORACLE:} {env:MSSQL:} {env:BACKENDONLY:} {env:COVERAGE:} {posargs}
+  {env:BASECOMMAND} {env:WORKERS} {env:SQLITE:} {env:POSTGRESQL:} {env:MYSQL:} {env:ORACLE:} {env:MSSQL:} {env:BACKENDONLY:} {env:COVERAGE:} {posargs}
   {oracle}: python reap_oracle_dbs.py