diff --git a/tools/style.py.include b/tools/style.py.include
index 310ef3dddd..94a9cd61fd 100644
--- a/tools/style.py.include
+++ b/tools/style.py.include
@@ -1,6 +1,7 @@
 ^common/
 ^core/src/
 ^core/site_scons/
+^core/tests/
 ^crypto/
 ^legacy/
 ^storage/