diff --git a/service/src/com/android/server/connectivity/NetworkAgentInfo.java b/service/src/com/android/server/connectivity/NetworkAgentInfo.java
index 466e7b1e2b..b40b6e0f5e 100644
--- a/service/src/com/android/server/connectivity/NetworkAgentInfo.java
+++ b/service/src/com/android/server/connectivity/NetworkAgentInfo.java
@@ -1256,7 +1256,7 @@ public class NetworkAgentInfo implements Comparable<NetworkAgentInfo>, NetworkRa
         if (nc.hasTransport(TRANSPORT_TEST)) return true;
 
         // Factories that make ethernet networks can allow UIDs for automotive devices.
-        if (nc.hasTransport(TRANSPORT_ETHERNET) && hasAutomotiveFeature) {
+        if (nc.hasSingleTransport(TRANSPORT_ETHERNET) && hasAutomotiveFeature) {
             return true;
         }
 
diff --git a/tests/unit/java/com/android/server/ConnectivityServiceTest.java b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
index 6294bff7cd..f6ccd8aa93 100644
--- a/tests/unit/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/unit/java/com/android/server/ConnectivityServiceTest.java
@@ -15536,7 +15536,7 @@ public class ConnectivityServiceTest {
 
         mEthernetNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_ETHERNET,
                 new LinkProperties(), agentNetCaps.build());
-        validateAllowedUids(mEthernetNetworkAgent, TRANSPORT_ETHERNET, agentNetCaps);
+        validateAllowedUids(mEthernetNetworkAgent, TRANSPORT_ETHERNET, agentNetCaps, true);
     }
 
     @Test
@@ -15560,12 +15560,12 @@ public class ConnectivityServiceTest {
 
         mCellNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_CELLULAR,
                 new LinkProperties(), agentNetCaps.build());
-        validateAllowedUids(mCellNetworkAgent, TRANSPORT_CELLULAR, agentNetCaps);
+        validateAllowedUids(mCellNetworkAgent, TRANSPORT_CELLULAR, agentNetCaps, false);
     }
 
     private void validateAllowedUids(final TestNetworkAgentWrapper testAgent,
             @NetworkCapabilities.Transport final int transportUnderTest,
-            final NetworkCapabilities.Builder ncb) throws Exception {
+            final NetworkCapabilities.Builder ncb, final boolean forAutomotive) throws Exception {
         final ArraySet<Integer> serviceUidSet = new ArraySet<>();
         serviceUidSet.add(TEST_PACKAGE_UID);
         final ArraySet<Integer> nonServiceUidSet = new ArraySet<>();
@@ -15595,7 +15595,7 @@ public class ConnectivityServiceTest {
         }
 
         /* Test setting UIDs is rejected when expected */
-        if (TRANSPORT_ETHERNET == transportUnderTest) {
+        if (forAutomotive) {
             mockHasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE, false);
         }