diff --git a/platformio.ini b/platformio.ini
index 6bf7f16..dbd28d2 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -11,6 +11,7 @@
 [platformio]
 ;extra_configs = secrets.ini
 extra_configs = secrets.default.ini
+core_dir = .pio
 
 [env]
 version = 1.4.5