diff --git a/src/python_testing/TC_ICDM_5_1.py b/src/python_testing/TC_ICDM_5_1.py
index e0417ff52bf1dc..16da6e20d5c9e7 100644
--- a/src/python_testing/TC_ICDM_5_1.py
+++ b/src/python_testing/TC_ICDM_5_1.py
@@ -81,6 +81,9 @@ async def _get_icd_txt_record(self) -> OperatingModeEnum:
             compressed_fabric_id=self.default_controller.GetCompressedFabricId(),
             log_output=True, discovery_timeout_sec=240)
 
+        asserts.assert_is_not_none(
+            service, f"Failed to get operational node service information for {self.dut_node_id} on {self.default_controller.GetCompressedFabricId()}")
+
         icdTxtRecord = OperatingModeEnum(int(service.txt_record['ICD']))
         if icdTxtRecord.value != int(service.txt_record['ICD']):
             raise AttributeError(f'Not a known ICD type: {service.txt_record["ICD"]}')