diff --git a/platformio.ini b/platformio.ini
index 4dcfdea0744d..59fab723d0ee 100755
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,6 +9,7 @@
 
 [platformio]
 src_dir = sonoff
+build_dir = .pioenvs
 
 ; *** Uncomment one of the lines below to build/upload only one environment
 ;env_default = sonoff