diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 80d9423..66f5eb5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,7 @@ stages:
     - flash
 
 build:
+    image: espressif/idf:release-v4.1
     stage: build
 
     artifacts:
@@ -21,6 +22,7 @@ build:
         - idf.py build
 
 flash:
+    image: espressif/idf:release-v4.1
     stage: flash
 
     script:
diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index b0e7808..f42705d 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -1,3 +1,3 @@
-BARBACK_ID="Barback"
+CONFIG_BARBACK_ID="Barback"
 CONFIG_BT_ENABLED=y
 CONFIG_BT_NIMBLE_ENABLED=y