diff --git a/service/src/main/java/bio/terra/drshub/tracking/TrackingInterceptor.java b/service/src/main/java/bio/terra/drshub/tracking/TrackingInterceptor.java
index 14505bc7..5e6ec1e7 100644
--- a/service/src/main/java/bio/terra/drshub/tracking/TrackingInterceptor.java
+++ b/service/src/main/java/bio/terra/drshub/tracking/TrackingInterceptor.java
@@ -119,13 +119,13 @@ private void addToPropertiesIfPresentInHeader(
   public void addResolvedCloudToProperties(
       HttpServletResponse response, Map<String, Object> properties) {
     Map<String, Object> responseBody = readResponseBody(response);
-    if (responseBody.containsKey("accessUrl")) {
-      Map<String, String> accessUrlResponse = (Map<String, String>) responseBody.get("accessUrl");
-      String accessUrl = accessUrlResponse.get("url");
+    if (responseBody.get("accessUrl") != null) {
+      Map<String, String> accessURLResponse = (Map<String, String>) responseBody.get("accessUrl");
+      String url = accessURLResponse.get("url");
       String resolvedCloud = "";
-      if (accessUrl.contains("windows.net")) {
+      if (url.contains("windows.net")) {
         resolvedCloud = "azure";
-      } else if (accessUrl.contains("googleapis.com")) {
+      } else if (url.contains("googleapis.com")) {
         resolvedCloud = "gcp";
       }
       properties.put("resolvedCloud", resolvedCloud);
diff --git a/service/src/test/java/bio/terra/drshub/tracking/TrackingInterceptorTest.java b/service/src/test/java/bio/terra/drshub/tracking/TrackingInterceptorTest.java
index 8457a051..02eb8cb4 100644
--- a/service/src/test/java/bio/terra/drshub/tracking/TrackingInterceptorTest.java
+++ b/service/src/test/java/bio/terra/drshub/tracking/TrackingInterceptorTest.java
@@ -122,6 +122,27 @@ void testHappyPathEmittingToBardWithResolvedCloudAzure() throws Exception {
             TEST_BEARER_TOKEN, EVENT_NAME, expectedBardProperties(List.of("accessUrl"), "azure"));
   }
 
+  @Test
+  void testEmittingToBardOn401Error() throws Exception {
+    mockBardEmissionsEnabled();
+    mockResolveDrsResponse(null);
+    postRequest(
+            REQUEST_URL,
+            objectMapper.writeValueAsString(
+                Map.of(
+                    "url",
+                    DRS_URI,
+                    "cloudPlatform",
+                    CloudPlatformEnum.GS,
+                    "fields",
+                    List.of("accessUrl"))))
+        .andExpect(status().isOk());
+
+    verify(trackingService)
+        .logEvent(
+            TEST_BEARER_TOKEN, EVENT_NAME, expectedBardProperties(List.of("accessUrl"), null));
+  }
+
   @Test
   void testDoesNotLogWhenBardEmissionsDisabled() throws Exception {
     postRequest(
@@ -181,8 +202,11 @@ private void mockBardEmissionsEnabled() {
   }
 
   private void mockResolveDrsResponse(String accessUrl) {
-    DrsMetadata drsMetadata =
-        new DrsMetadata.Builder().accessUrl(new AccessURL().url(accessUrl)).build();
+    AccessURL metadataAccessUrl = null;
+    if (accessUrl != null) {
+      metadataAccessUrl = new AccessURL().url(accessUrl);
+    }
+    DrsMetadata drsMetadata = new DrsMetadata.Builder().accessUrl(metadataAccessUrl).build();
     AnnotatedResourceMetadata metadata =
         AnnotatedResourceMetadata.builder()
             .requestedFields(List.of("accessUrl"))