diff --git a/platformio.ini b/platformio.ini
index 9311773..34a54a3 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -8,6 +8,8 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
+[platformio]
+default_envs = nrf52840_dk
 
 [env:nrf52840_dk]
 platform = nordicnrf52
@@ -34,3 +36,4 @@ build_flags =
     -Wno-nullability-completeness
     -DMBEDTLS_USER_CONFIG_FILE='"user-tls.conf"'
 src_filter = --<.src/>   
+targets = test
\ No newline at end of file