diff --git a/generated/src/aws-cpp-sdk-s3-crt/source/model/CopyObjectRequest.cpp b/generated/src/aws-cpp-sdk-s3-crt/source/model/CopyObjectRequest.cpp
index 2aa7869b51..9ba8877ed8 100644
--- a/generated/src/aws-cpp-sdk-s3-crt/source/model/CopyObjectRequest.cpp
+++ b/generated/src/aws-cpp-sdk-s3-crt/source/model/CopyObjectRequest.cpp
@@ -173,7 +173,7 @@ Aws::Http::HeaderValueCollection CopyObjectRequest::GetRequestSpecificHeaders()
   if(m_copySourceHasBeenSet)
   {
     ss << m_copySource;
-    headers.emplace("x-amz-copy-source", URI::URLEncodePath(ss.str()));
+    headers.emplace("x-amz-copy-source", ss.str());
     ss.str("");
   }
 
diff --git a/generated/src/aws-cpp-sdk-s3-crt/source/model/UploadPartCopyRequest.cpp b/generated/src/aws-cpp-sdk-s3-crt/source/model/UploadPartCopyRequest.cpp
index f301c47606..7f16e6afcd 100644
--- a/generated/src/aws-cpp-sdk-s3-crt/source/model/UploadPartCopyRequest.cpp
+++ b/generated/src/aws-cpp-sdk-s3-crt/source/model/UploadPartCopyRequest.cpp
@@ -112,7 +112,7 @@ Aws::Http::HeaderValueCollection UploadPartCopyRequest::GetRequestSpecificHeader
   if(m_copySourceHasBeenSet)
   {
     ss << m_copySource;
-    headers.emplace("x-amz-copy-source", URI::URLEncodePath(ss.str()));
+    headers.emplace("x-amz-copy-source", ss.str());
     ss.str("");
   }
 
diff --git a/generated/src/aws-cpp-sdk-s3/source/model/CopyObjectRequest.cpp b/generated/src/aws-cpp-sdk-s3/source/model/CopyObjectRequest.cpp
index e1862b22ff..6bd6d0aea9 100644
--- a/generated/src/aws-cpp-sdk-s3/source/model/CopyObjectRequest.cpp
+++ b/generated/src/aws-cpp-sdk-s3/source/model/CopyObjectRequest.cpp
@@ -173,7 +173,7 @@ Aws::Http::HeaderValueCollection CopyObjectRequest::GetRequestSpecificHeaders()
   if(m_copySourceHasBeenSet)
   {
     ss << m_copySource;
-    headers.emplace("x-amz-copy-source", URI::URLEncodePath(ss.str()));
+    headers.emplace("x-amz-copy-source", ss.str());
     ss.str("");
   }
 
diff --git a/generated/src/aws-cpp-sdk-s3/source/model/UploadPartCopyRequest.cpp b/generated/src/aws-cpp-sdk-s3/source/model/UploadPartCopyRequest.cpp
index f918909a86..16af4d2797 100644
--- a/generated/src/aws-cpp-sdk-s3/source/model/UploadPartCopyRequest.cpp
+++ b/generated/src/aws-cpp-sdk-s3/source/model/UploadPartCopyRequest.cpp
@@ -112,7 +112,7 @@ Aws::Http::HeaderValueCollection UploadPartCopyRequest::GetRequestSpecificHeader
   if(m_copySourceHasBeenSet)
   {
     ss << m_copySource;
-    headers.emplace("x-amz-copy-source", URI::URLEncodePath(ss.str()));
+    headers.emplace("x-amz-copy-source", ss.str());
     ss.str("");
   }