diff --git a/.github/workflows/run_pytest.yml b/.github/workflows/run_pytest.yml
index 1b12138..30b9fe5 100644
--- a/.github/workflows/run_pytest.yml
+++ b/.github/workflows/run_pytest.yml
@@ -6,25 +6,29 @@ jobs:
   build:
 
     strategy:
-      max-parallel: 3
       matrix:
         os: [ubuntu-latest]
-        python-version: [3.5, 3.6, 3.7]
+        python-version: [3.5, 3.6, 3.7, 3.8]
     runs-on: ${{matrix.os}}
+
     steps:
     - uses: actions/checkout@v1
+
     - name: Set up Python ${{matrix.python-version}} at ${{matrix.os}}
       uses: actions/setup-python@v1
       with:
         python-version: ${{matrix.python-version}}
+
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements.txt
         mkdir log/
+
     - name: Test with pytest
       run: |
         pytest -c 'test/pytest.ini'
+
     - name: Save artifacts
       uses: actions/upload-artifact@master
       with:
diff --git a/module/descriptor.py b/module/descriptor.py
index 77a28f8..cf17530 100644
--- a/module/descriptor.py
+++ b/module/descriptor.py
@@ -42,10 +42,10 @@ class BoswatchModule(ModuleBase):
 
         @param bwPacket: A BOSWatch packet instance"""
         for descriptor in self.config:
+            if not bwPacket.get(descriptor.get("scanField")):
+                break  # scanField is not available in this packet
+            bwPacket.set(descriptor.get("descrField"), bwPacket.get(descriptor.get("scanField")))
             for description in descriptor.get("descriptions"):
-                if not bwPacket.get(descriptor.get("scanField")):
-                    break  # scanField is not available in this packet
-                bwPacket.set(descriptor.get("descrField"), description.get("for"))
                 if str(description.get("for")) == bwPacket.get(descriptor.get("scanField")):
                     logging.debug("Description '%s' added in packet field '%s'",
                                   description.get("add"), descriptor.get("descrField"))