diff --git a/platformio.ini b/platformio.ini
index 0e2649e63a..412c18085b 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -41,9 +41,9 @@ lib_deps =
 build_flags =
     -DESPHOME_LOG_LEVEL=ESPHOME_LOG_LEVEL_VERY_VERBOSE
 src_filter =
-    +<esphome>
-    +<tests/dummy_main.cpp>
-    +<.temp/all-include.cpp>
+    +<./>
+    +<../tests/dummy_main.cpp>
+    +<../.temp/all-include.cpp>
 
 [common:esp8266]
 extends = common