diff --git a/platformio.ini b/platformio.ini
index 039ec89..7a8c7c7 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1,6 +1,6 @@
 ; PlatformIO MITSUBISHI2MQTT Configuration File
 [platformio]
-src_dir = src\mitsubishi2mqtt
+src_dir = src/mitsubishi2mqtt
 default_envs = 
 
 [env]