diff --git a/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/AmazonS3Client.java b/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/AmazonS3Client.java
index c0fc165c16d..60ff4338982 100644
--- a/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/AmazonS3Client.java
+++ b/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/AmazonS3Client.java
@@ -4764,6 +4764,12 @@ protected <X extends AmazonWebServiceRequest> Request<X> createRequest(String bu
                         clientConfiguration);
             }
         }
+        else {
+            if (clientOptions.isDualstackEnabled()) {
+                String hostname = String.format(Constants.S3_DUALSTACK_HOSTNAME, getRegionName());
+                endpoint = RuntimeHttpUtils.toUri(hostname, clientConfiguration);
+            }
+        }
 
         request.setHttpMethod(httpMethod);
         resolveRequestEndpoint(request, bucketName, key, endpoint);
diff --git a/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/Constants.java b/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/Constants.java
index ea107171e17..f179de3dac4 100644
--- a/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/Constants.java
+++ b/aws-android-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/Constants.java
@@ -36,6 +36,8 @@ public class Constants {
     public static final String S3_EXTERNAL_1_HOSTNAME = "s3-external-1.amazonaws.com";
     /** Service hostname for accessing accelerated S3 buckets */
     public static final String S3_ACCELERATE_HOSTNAME = "s3-accelerate.amazonaws.com";
+    /** Service hostname for accessing dualstack S3 buckets; format argument is the region */
+    public static final String S3_DUALSTACK_HOSTNAME = "s3.dualstack.%s.amazonaws.com";
     /** Service hostname for accessing dualstack accelerated S3 buckets */
     public static final String S3_ACCELERATE_DUALSTACK_HOSTNAME = "s3-accelerate.dualstack.amazonaws.com";