diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f023d655b..c8a01e3e9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,9 +25,17 @@ jobs:
           - 3306:3306
 
     steps:
-      - uses: actions/checkout@v3
-        with:
-          fetch-depth: 1
+      - uses: actions/checkout@v4
+
+      - name: Make sure configuration was exported in correct language
+        run: |
+          OUTPUT=$(grep -oP '^langcode: \b(?!(?:en|und)\b)\w+' conf -R || true)
+
+          if [ ! -z "$OUTPUT" ]; then
+            echo "Found configuration exported in wrong language:" >> $GITHUB_STEP_SUMMARY
+            echo "$OUTPUT" >> $GITHUB_STEP_SUMMARY
+            exit 1
+          fi
 
       - name: Build project
         run: composer install --no-interaction
diff --git a/conf/cmi/search_api.index.street_data.yml b/conf/cmi/search_api.index.street_data.yml
index 75e60193e..e6d9d7832 100644
--- a/conf/cmi/search_api.index.street_data.yml
+++ b/conf/cmi/search_api.index.street_data.yml
@@ -1,5 +1,5 @@
 uuid: 0f434f1f-19a0-45a2-84bc-9f81e52ade45
-langcode: fi
+langcode: en
 status: true
 dependencies:
   config: