diff --git a/platformio.ini b/platformio.ini
index 99ff2aee8..9af92e2bb 100755
--- a/platformio.ini
+++ b/platformio.ini
@@ -10,6 +10,7 @@
 [platformio]
 src_dir = sonoff
 build_dir = .pioenvs
+build_cache_dir = cache
 
 ; *** Uncomment one of the lines below to build/upload only one environment
 ;default_envs = sonoff