diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 363ded8..f74a9ae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,65 +15,69 @@ jobs:
 
         steps:
             # Checkout the code
-            - name: Checkout code
-              uses: actions/checkout@v4
+          - name: Checkout code
+            uses: actions/checkout@v4
 
           - uses: mamba-org/setup-micromamba@v1
             with:
                 micromamba-version: "1.5.9-1" # any version from https://github.com/mamba-org/micromamba-releases
-                channels: tcevaer, conda-forge, defaults
+                channels: tcevaer, conda-forge
                 init-shell: bash
                 post-cleanup: "all"
 
+          - name: Configure Conda channel priority to disabled
+            run: |
+                conda config --set channel_priority disabled
+
           - name: Create environment and install tools
-            run: micromamba create -n grdwind_env pytest conda-build boa python=3.10 -y -c tcevaer -c conda-forge
+            run: micromamba create -n grdwind_env pytest conda-build boa python=3.10 -y
 
           - name: Build package
             run: |
                 cd recipe
                 eval "$(micromamba shell hook --shell bash)"
                 micromamba activate grdwind_env
-                conda mambabuild . -c tcevaer -c conda-forge
+                conda mambabuild .
 
           # Install the built package into the environment
           - name: Install the built package
             run: |
                 eval "$(micromamba shell hook --shell bash)"
                 micromamba activate grdwind_env
-                conda install --use-local grdwindinversion -y -c tcevaer -c conda-forge
+                conda install --use-local grdwindinversion -y
 
             # Cache the test data if previously downloaded (up to 10 GB limit for the cache)
             # WARNING : modify the key if the data is modified !!
-            - name: Cache test data
-              uses: actions/cache@v4
-              id: cache
-              with:
-                  path: ./test_data
-                  key: test-data-v3
-                  restore-keys: test-data-v3
+          - name: Cache test data
+            uses: actions/cache@v4
+            id: cache
+            with:
+                path: ./test_data
+                key: test-data-v3
+                restore-keys: test-data-v3
 
             # Download test data if not already cached
-            - name: Download test data
-              if: steps.cache.outputs.cache-hit != 'true' # Only download if cache miss
-              run: |
+          - name: Download test data
+            if: steps.cache.outputs.cache-hit != 'true' # Only download if cache miss
+            run: |
                   mkdir -p ./test_data/
                   wget https://cloud.ifremer.fr/index.php/s/ExLQ2TnYAqozPWE/download -O /tmp/ecmwf.zip
                   unzip /tmp/ecmwf.zip -d ./test_data/
                   wget https://cloud.ifremer.fr/index.php/s/kRgdOOPsjoZieZR/download -O /tmp/l1.zip
                   unzip /tmp/l1.zip -d ./test_data/
-              timeout-minutes: 200 # Adjust depending on the size of your data
+            timeout-minutes: 200 # Adjust depending on the size of your data
 
             # Set up xsar configuration
-            - name: Setup xsar configuration
-              run: |
+          - name: Setup xsar configuration
+            run: |
                   mkdir -p ~/.xsar
                   echo "data_dir: /tmp" > ~/.xsar/config.yaml
                   echo "auxiliary_dir: ./test_data/auxiliary" >> ~/.xsar/config.yaml
                   echo "path_dataframe_aux: ./test_data/auxiliary/active_aux.csv" >> ~/.xsar/config.yaml
 
             # Set up grdwindinversion configuration
-            - name: Setup grdwindinversion configuration
-              run: |
+          - name: Setup grdwindinversion configuration
+            run: |
                   mkdir -p ~/.grdwindinversion
                   echo "'ecmwf_0100_1h': ./test_data/ECMWF/forecast/hourly/0100deg/netcdf_light/%Y/%j/ECMWF_FORECAST_0100_%Y%m%d%H%M_10U_10V.nc" > ~/.grdwindinversion/data_config.yaml
                   echo "'ecmwf_0125_1h': ./test_data/ECMWF/0.125deg/1h/forecasts/%Y/%j/ecmwf_%Y%m%d%H%M.nc" >> ~/.grdwindinversion/data_config.yaml
@@ -82,8 +86,8 @@ jobs:
                   #echo "'lut_ms1ahw_path': './test_data/GMFS/v1.6/GMF_cmodms1ahw'" >> ~/.grdwindinversion/data_config.yaml
 
             # Run the tests
-            - name: Run tests
-              run: |
+          - name: Run tests
+            run: |
                   eval "$(micromamba shell hook --shell bash)"
                   micromamba activate grdwind_env
                   pytest
diff --git a/grdwindinversion/inversion.py b/grdwindinversion/inversion.py
index 3239239..3e294e6 100644
--- a/grdwindinversion/inversion.py
+++ b/grdwindinversion/inversion.py
@@ -101,7 +101,7 @@ def getOutputName2(input_file, outdir, sensor, meta, subdir=True):
             "${MISSIONID}_OK${DATA1}_PK${DATA2}_${DATA3}_${BEAM}_${DATE}_${TIME}_${POLARIZATION1}_${POLARIZATION2}_${PRODUCT}")
         match = regex.match(basename_match)
         MISSIONID, DATA1, DATA2, DATA3, BEAM_MODE, DATE, TIME, POLARIZATION1, POLARIZATION2, LAST = match.groups()
-        new_format = f"{MISSIONID.lower()}-{BEAM.lower()}-owi-xx-{meta_start_date.lower()}-{meta_stop_date.lower()}-_____-_____.nc"
+        new_format = f"{MISSIONID.lower()}-{BEAM_MODE.lower()}-owi-xx-{meta_start_date.lower()}-{meta_stop_date.lower()}-_____-_____.nc"
     else:
         raise ValueError(
             "sensor must be S1A|S1B|RS2|RCM, got sensor %s" % sensor)