diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9b10ffeabbc08a1f25a88d2b351f3e8dd6309443..b7d75d5470d8073a2021e06428e9170f605ec7b3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -303,6 +303,32 @@ deploy-theodolite:
       allow_failure: true
 
 
+# Theodolite SLO Checker: Lag Trend
+
+deploy-slo-checker-lag-trend:
+  stage: deploy
+  extends:
+    - .dind
+  script:
+    - DOCKER_TAG_NAME=$(echo $CI_COMMIT_REF_SLUG- | sed 's/^master-$//')
+    - docker build --pull -t theodolite-slo-checker-lag-trend slope-evaluator
+    - "[ ! $CI_COMMIT_TAG ] && docker tag theodolite-slo-checker-lag-trend $CR_HOST/$CR_ORG/theodolite-slo-checker-lag-trend:${DOCKER_TAG_NAME}latest"
+    - "[ $CI_COMMIT_TAG ] && docker tag theodolite-slo-checker-lag-trend $CR_HOST/$CR_ORG/theodolite-slo-checker-lag-trend:$CI_COMMIT_TAG"
+    - echo $CR_PW | docker login $CR_HOST -u $CR_USER --password-stdin
+    - docker push $CR_HOST/$CR_ORG/theodolite-slo-checker-lag-trend
+    - docker logout
+  rules:
+    - if: "$CR_HOST && $CR_ORG && $CR_USER && $CR_PW && $CI_COMMIT_TAG"
+      when: always
+    - changes:
+      - slope-evaluator/**/*
+      if: "$CR_HOST && $CR_ORG && $CR_USER && $CR_PW"
+      when: always
+    - if: "$CR_HOST && $CR_ORG && $CR_USER && $CR_PW"
+      when: manual
+      allow_failure: true
+
+
 # Theodolite Random Scheduler
 
 deploy-random-scheduler:
diff --git a/theodolite-quarkus/src/main/kotlin/theodolite/execution/Main.kt b/theodolite-quarkus/src/main/kotlin/theodolite/execution/Main.kt
index 3246d0a7930aab22d16ed94a6c0f10a9d3fde10e..4518ef7957104819b26eae95cf4e6e9b35c4e995 100644
--- a/theodolite-quarkus/src/main/kotlin/theodolite/execution/Main.kt
+++ b/theodolite-quarkus/src/main/kotlin/theodolite/execution/Main.kt
@@ -13,7 +13,7 @@ object Main {
     @JvmStatic
     fun main(args: Array<String>) {
 
-        val mode = System.getenv("MODE") ?: "operator"
+        val mode = System.getenv("MODE") ?: "yaml-executor"
         logger.info { "Start Theodolite with mode $mode" }
 
         when(mode) {