diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 2eda3b67aa45fd..8b7603633a60f5 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -499,6 +499,7 @@ jobs:
                   scripts/run_in_build_env.sh './scripts/tests/run_python_test.py --app out/linux-x64-all-clusters-ipv6only-no-ble-no-wifi-tsan-clang-test/chip-all-clusters-app  --factoryreset --app-args "--discriminator 1234 --KVS kvs1 --trace_decode 1 --enable-key 000102030405060708090a0b0c0d0e0f" --script "src/python_testing/TC_TestEventTrigger.py" --script-args "--storage-path admin_storage.json --commissioning-method on-network --discriminator 1234 --passcode 20202021 --bool-arg allow_sdk_dac:true"'
                   scripts/run_in_build_env.sh './scripts/tests/run_python_test.py --app out/linux-x64-all-clusters-ipv6only-no-ble-no-wifi-tsan-clang-test/chip-all-clusters-app  --factoryreset --app-args "--discriminator 1234 --KVS kvs1 --trace_decode 1" --script "src/python_testing/TC_ACE_1_4.py" --script-args "--storage-path admin_storage.json --commissioning-method on-network --discriminator 1234 --passcode 20202021 --int-arg PIXIT.ACE.APPENDPOINT:1 PIXIT.ACE.APPDEVTYPEID:0x0100 --string-arg PIXIT.ACE.APPCLUSTER:OnOff PIXIT.ACE.APPATTRIBUTE:OnOff"'
                   scripts/run_in_build_env.sh './scripts/tests/run_python_test.py --app out/linux-x64-all-clusters-ipv6only-no-ble-no-wifi-tsan-clang-test/chip-all-clusters-app  --factoryreset --app-args "--discriminator 1234 --KVS kvs1 --trace_decode 1" --script "src/python_testing/TC_ACE_1_3.py" --script-args "--storage-path admin_storage.json --commissioning-method on-network --discriminator 1234 --passcode 20202021"'
+                  scripts/run_in_build_env.sh './scripts/tests/run_python_test.py --app out/linux-x64-all-clusters-ipv6only-no-ble-no-wifi-tsan-clang-test/chip-all-clusters-app  --factoryreset --app-args "--discriminator 1234 --KVS kvs1 --trace_decode 1" --script "src/python_testing/TC_CGEN_2_4.py" --script-args "--storage-path admin_storage.json --commissioning-method on-network --discriminator 1234 --passcode 20202021"'
             - name: Uploading core files
               uses: actions/upload-artifact@v3
               if: ${{ failure() && !env.ACT }}
diff --git a/src/python_testing/TC_CGEN_2_4.py b/src/python_testing/TC_CGEN_2_4.py
index c522cb07aacbc6..7ef128a787dfe3 100644
--- a/src/python_testing/TC_CGEN_2_4.py
+++ b/src/python_testing/TC_CGEN_2_4.py
@@ -32,7 +32,7 @@ class TC_CGEN_2_4(MatterBaseTest):
     def OpenCommissioningWindow(self) -> int:
         try:
             pin, code = self.th1.OpenCommissioningWindow(
-                nodeid=self.dut_node_id, timeout=600, iteration=10000, discriminator=self.matter_test_config.discriminator, option=1)
+                nodeid=self.dut_node_id, timeout=600, iteration=10000, discriminator=self.matter_test_config.discriminator[0], option=1)
             time.sleep(5)
             return pin, code
 
@@ -51,7 +51,7 @@ async def CommissionToStageSendCompleteAndCleanup(
         self.th2.SetTestCommissionerPrematureCompleteAfter(stage)
         success, errcode = self.th2.CommissionOnNetwork(
             nodeId=self.dut_node_id, setupPinCode=pin,
-            filterType=ChipDeviceCtrl.DiscoveryFilterType.LONG_DISCRIMINATOR, filter=self.matter_test_config.discriminator)
+            filterType=ChipDeviceCtrl.DiscoveryFilterType.LONG_DISCRIMINATOR, filter=self.matter_test_config.discriminator[0])
         logging.info('Commissioning complete done. Successful? {}, errorcode = {}'.format(success, errcode))
         asserts.assert_false(success, 'Commissioning complete did not error as expected')
         asserts.assert_true(errcode.sdk_part == expectedErrorPart, 'Unexpected error type returned from CommissioningComplete')
@@ -91,7 +91,7 @@ async def test_TC_CGEN_2_4(self):
         self.th2.ResetTestCommissioner()
         success, errcode = self.th2.CommissionOnNetwork(
             nodeId=self.dut_node_id, setupPinCode=pin,
-            filterType=ChipDeviceCtrl.DiscoveryFilterType.LONG_DISCRIMINATOR, filter=self.matter_test_config.discriminator)
+            filterType=ChipDeviceCtrl.DiscoveryFilterType.LONG_DISCRIMINATOR, filter=self.matter_test_config.discriminator[0])
         logging.info('Commissioning complete done. Successful? {}, errorcode = {}'.format(success, errcode))
 
         logging.info('Step 17 - TH1 sends an arm failsafe')