diff --git a/.github/workflows/diff-quality.yml b/.github/workflows/diff-quality.yml
index 42d0fa5..203fedd 100644
--- a/.github/workflows/diff-quality.yml
+++ b/.github/workflows/diff-quality.yml
@@ -37,6 +37,41 @@ jobs:
       with:
         project_id: crypto-stellar   
         credentials_json: "${{ secrets.CREDS_PROD_HUBBLE }}" 
+    
+    - name: Get changed files
+      id: get_file_changes
+      uses: trilom/file-changes-action@v1.2.4
+      with:
+        output: " "
+
+    - name: Get new and changed .sql files in /models to lint
+      id: get_files_to_lint
+      shell: bash -l {0}
+      run: |
+        # Set the command in the $() brackets as an output to use in later steps
+        echo "::set-output name=lintees::$(
+        # Issue where grep regular expressions don't work as expected on the
+        # Github Actions shell, check dbt/models/ folder
+        echo \
+        $(echo ${{ steps.get_file_changes.outputs.files_modified }} |
+        tr -s ' ' '\n' |
+        grep -E '^models.*[.]sql$' |
+        tr -s '\n' ' ') \
+        $(echo ${{ steps.get_file_changes.outputs.files_added }} |
+        tr -s ' ' '\n' |
+        grep -E '^models.*[.]sql$' |
+        tr -s '\n' ' ')
+        )"
+
+    - name: Lint dbt models
+      id: sqlfluff_json
+      if: steps.get_files_to_lint.outputs.lintees != ''
+      shell: bash -l {0}
+      run: |
+        python -m pip install --upgrade pip
+        dbt deps
+        sqlfluff lint --format github-annotation --annotation-level failure --nofail ${{ steps.get_files_to_lint.outputs.lintees }} > annotations.json
+        sed -i '/^\[/!d' annotations.json # see https://github.com/sqlfluff/sqlfluff/issues/2244
 
     - name: Checkout source branch and diff quality
       run:  |
diff --git a/models/intermediate/trades/int_trade_agg_day.sql b/models/intermediate/trades/int_trade_agg_day.sql
index ba352c1..7cd90a6 100644
--- a/models/intermediate/trades/int_trade_agg_day.sql
+++ b/models/intermediate/trades/int_trade_agg_day.sql
@@ -9,7 +9,7 @@ with
     base_trades as (
         select
             date('{{ dbt_airflow_macros.ds() }}') as day_agg
-            , ledger_closed_at
+             ledger_closed_at
             , selling_asset_id
             , selling_asset_code
             , selling_asset_issuer