diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8b05f1e..7d991f8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,8 +8,10 @@ build:
                 - hottis
                 - linux
                 - docker
+        variables:
+                GIT_SUBMODULE_STRATEGY: recursive
         script:
-                - env ARDUINO_SKETCHBOOK_DIR=$CI_PROJECT_DIR arduino-cli compile --debug --fqbn=esp8266:esp8266:nodemcu $CI_PROJECT_DIR/sketch
+                - env ARDUINO_SKETCHBOOK_DIR=$CI_PROJECT_DIR arduino-cli compile --fqbn=esp8266:esp8266:nodemcu $CI_PROJECT_DIR/sketch