diff --git a/selfdrive/car/fw_versions.py b/selfdrive/car/fw_versions.py
index a606ded5fd..18185eef86 100755
--- a/selfdrive/car/fw_versions.py
+++ b/selfdrive/car/fw_versions.py
@@ -77,7 +77,7 @@ def match_fw_to_car_fuzzy(fw_versions_dict, config, log=True, exclude=None):
           all_fw_versions[(addr[1], addr[2], f)].append(candidate)
 
       # Add platform codes to lookup dict if config specifies a function
-      if addr[0] in config.fuzzy_ecus and config.fuzzy_get_platform_codes is not None:
+      if addr[0] in config.platform_code_ecus and config.fuzzy_get_platform_codes is not None:
         for platform_code in config.fuzzy_get_platform_codes(fws):
           all_platform_codes[(addr[1], addr[2], platform_code)].append(candidate)
 
diff --git a/selfdrive/car/hyundai/tests/test_hyundai.py b/selfdrive/car/hyundai/tests/test_hyundai.py
index 27726829e4..1b0050368e 100755
--- a/selfdrive/car/hyundai/tests/test_hyundai.py
+++ b/selfdrive/car/hyundai/tests/test_hyundai.py
@@ -126,7 +126,7 @@ class TestHyundaiFingerprint(TestFwFingerprintBase):
         # Only test fuzzy ECUs so excluded platforms for platforms codes are accurate
         # We can still fuzzy match via exact FW matches
         ecu_name, addr, sub_addr = ecu
-        if ecu_name not in FW_QUERY_CONFIG.fuzzy_ecus:
+        if ecu_name not in FW_QUERY_CONFIG.platform_code_ecus:
           continue
 
         for fw in fw_versions: