diff --git a/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java b/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java
index f6a344be..1ad0e08b 100644
--- a/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java
+++ b/google-cloud-nio/src/main/java/com/google/cloud/storage/contrib/nio/CloudStorageFileSystemProvider.java
@@ -967,7 +967,10 @@ public boolean requesterPays(String bucketName) {
       Boolean isRP = storage.get(bucketName).requesterPays();
       return isRP != null && isRP.booleanValue();
     } catch (StorageException ex) {
-      if (ex.getCode() == 400 && ex.getMessage().contains("Bucket is requester pays")) {
+      if (ex.getReason().equals("userProjectMissing")) {
+        return true;
+        // fallback to checking the error code and error message.
+      } else if (ex.getCode() == 400 && ex.getMessage().contains("requester pays")) {
         return true;
       }
       throw ex;
diff --git a/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java b/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java
index 871c3f94..55a341d4 100644
--- a/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java
+++ b/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java
@@ -75,7 +75,6 @@
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -176,7 +175,6 @@ private static void fillRequesterPaysFile(Storage storage, String fname, int siz
 
   // Start of tests related to the "requester pays" feature
   @Test
-  @Ignore("TODO: https://github.com/googleapis/java-storage-nio/issues/824")
   public void testFileExistsRequesterPaysNoUserProject() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, "");
     Path path = testBucket.getPath(SML_FILE);
@@ -190,7 +188,6 @@ public void testFileExistsRequesterPaysNoUserProject() throws IOException {
   }
 
   @Test
-  @Ignore("TODO: https://github.com/googleapis/java-storage-nio/issues/824")
   public void testFileExistsRequesterPays() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, project);
     Path path = testBucket.getPath(SML_FILE);
@@ -199,7 +196,6 @@ public void testFileExistsRequesterPays() throws IOException {
   }
 
   @Test
-  @Ignore("TODO: https://github.com/googleapis/java-storage-nio/issues/824")
   public void testFileExistsRequesterPaysWithAutodetect() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(true, project);
     Path path = testBucket.getPath(SML_FILE);
@@ -208,7 +204,6 @@ public void testFileExistsRequesterPaysWithAutodetect() throws IOException {
   }
 
   @Test
-  @Ignore("TODO: https://github.com/googleapis/java-storage-nio/issues/824")
   public void testCantCreateWithoutUserProject() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, "");
     Path path = testBucket.getPath(TMP_FILE);
@@ -230,7 +225,6 @@ public void testCanCreateWithUserProject() throws IOException {
   }
 
   @Test
-  @Ignore("TODO: https://github.com/googleapis/java-storage-nio/issues/824")
   public void testCantReadWithoutUserProject() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, "");
     Path path = testBucket.getPath(SML_FILE);
@@ -252,7 +246,6 @@ public void testCanReadWithUserProject() throws IOException {
   }
 
   @Test
-  @Ignore("TODO: https://github.com/googleapis/java-storage-nio/issues/824")
   public void testCantCopyWithoutUserProject() throws IOException {
     CloudStorageFileSystem testRPBucket = getRequesterPaysBucket(false, "");
     CloudStorageFileSystem testBucket = getTestBucket();
@@ -285,10 +278,7 @@ private void innerTestCantCopyWithoutUserProject(
       // normal StorageException.
     } catch (HttpResponseException hex) {
       Assert.assertEquals(description, hex.getStatusCode(), 400);
-      Assert.assertTrue(
-          description,
-          hex.getMessage()
-              .contains("Bucket is requester pays bucket but no user project provided"));
+      Assert.assertTrue(description, hex.getMessage().contains("requester pays"));
     } catch (StorageException ex) {
       assertIsRequesterPaysException(description, ex);
     }
@@ -314,7 +304,6 @@ public void testCanCopyWithUserProject() throws IOException {
   }
 
   @Test
-  @Ignore("TODO: https://github.com/googleapis/java-storage-nio/issues/824")
   public void testAutodetectWhenRequesterPays() throws IOException {
     CloudStorageFileSystem testRPBucket = getRequesterPaysBucket(true, project);
     Assert.assertEquals(
@@ -338,18 +327,20 @@ public void testAutodetectWhenNotRequesterPays() throws IOException {
         "");
   }
 
+  @Test
+  public void testAutoDetectNoUserProject() throws IOException {
+    CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, "");
+    Assert.assertTrue(testBucket.provider().requesterPays(testBucket.bucket()));
+  }
+
   private void assertIsRequesterPaysException(String message, StorageException ex) {
     Assert.assertEquals(message, ex.getCode(), 400);
-    Assert.assertTrue(
-        message,
-        ex.getMessage().contains("Bucket is requester pays bucket but no user project provided"));
+    Assert.assertTrue(message, ex.getMessage().contains("requester pays"));
   }
 
   private void assertIsRequesterPaysException(String message, IOException ioex) {
     Assert.assertTrue(message, ioex.getMessage().startsWith("400"));
-    Assert.assertTrue(
-        message,
-        ioex.getMessage().contains("Bucket is requester pays bucket but no user project provided"));
+    Assert.assertTrue(message, ioex.getMessage().contains("requester pays"));
   }
   // End of tests related to the "requester pays" feature