diff --git a/s2/append.go b/s2/append.go
index b3a3db9..d92bce8 100644
--- a/s2/append.go
+++ b/s2/append.go
@@ -40,7 +40,7 @@ func (s *StreamClient) Append(ctx context.Context, input *AppendInput) (*AppendA
 	pbInput := convertAppendInputToProto(prepared)
 
 	httpClient := &httpClient{
-		client:      s.getHTTPClient(),
+		client:      s.basinClient.httpClient,
 		baseURL:     s.basinClient.baseURL,
 		accessToken: s.basinClient.accessToken,
 		logger:      s.logger,
diff --git a/s2/read.go b/s2/read.go
index 3c26814..022016b 100644
--- a/s2/read.go
+++ b/s2/read.go
@@ -97,7 +97,7 @@ func (s *StreamClient) Read(ctx context.Context, opts *ReadOptions) (*ReadBatch,
 
 	batch, err := withRetries(ctx, s.basinClient.retryConfig, s.logger, func() (*ReadBatch, error) {
 		httpClient := &httpClient{
-			client:      s.getHTTPClient(),
+			client:      s.basinClient.httpClient,
 			baseURL:     s.basinClient.baseURL,
 			accessToken: s.basinClient.accessToken,
 			logger:      s.logger,