diff --git a/tox.ini b/tox.ini
index 41cfc795ca2..d49572a0a04 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,9 @@ envlist = unit,integration
 description = unit testing
 download = true
 skip_install = true
-passenv = DBT_* PYTEST_ADDOPTS
+passenv =
+  DBT_*
+  PYTEST_ADDOPTS
 commands =
   {envpython} -m pytest --cov=core {posargs} test/unit
   {envpython} -m pytest --cov=core {posargs} tests/unit
@@ -18,7 +20,10 @@ deps =
 description = functional testing
 download = true
 skip_install = true
-passenv = DBT_* POSTGRES_TEST_* PYTEST_ADDOPTS
+passenv =
+  DBT_*
+  POSTGRES_TEST_*
+  PYTEST_ADDOPTS
 commands =
   {envpython} -m pytest --cov=core -m profile_postgres {posargs} test/integration
   {envpython} -m pytest --cov=core {posargs} tests/functional