diff --git a/lib/mindee/v2/http/mindee_api_v2.rb b/lib/mindee/v2/http/mindee_api_v2.rb
index 18c0539dc..ba7ccf791 100644
--- a/lib/mindee/v2/http/mindee_api_v2.rb
+++ b/lib/mindee/v2/http/mindee_api_v2.rb
@@ -73,10 +73,11 @@ def req_get_search(params)
             'User-Agent' => @settings.user_agent,
           }
           req = Net::HTTP::Get.new(uri, headers)
-          req['Transfer-Encoding'] = 'chunked'
 
           response = Net::HTTP.start(uri.hostname, uri.port,
-                                     use_ssl: true, read_timeout: @settings.request_timeout) do |http|
+                                     use_ssl: true,
+                                     open_timeout: @settings.request_timeout,
+                                     read_timeout: @settings.request_timeout) do |http|
             http.request(req)
           end
           params.response_class.new(process_response(response))
@@ -145,9 +146,11 @@ def poll(url)
             'User-Agent' => @settings.user_agent,
           }
           req = Net::HTTP::Get.new(uri, headers)
-          req['Transfer-Encoding'] = 'chunked'
 
-          Net::HTTP.start(uri.hostname, uri.port, use_ssl: true, read_timeout: @settings.request_timeout) do |http|
+          Net::HTTP.start(uri.hostname, uri.port,
+                          use_ssl: true,
+                          open_timeout: @settings.request_timeout,
+                          read_timeout: @settings.request_timeout) do |http|
             return http.request(req)
           end
           raise Mindee::Error::MindeeError, 'Could not resolve server response.'
@@ -208,7 +211,10 @@ def enqueue(input_source, params)
           req.set_form(form_data, 'multipart/form-data')
           req['Transfer-Encoding'] = 'chunked'
 
-          Net::HTTP.start(uri.hostname, uri.port, use_ssl: true, read_timeout: @settings.request_timeout) do |http|
+          Net::HTTP.start(uri.hostname, uri.port,
+                          use_ssl: true,
+                          open_timeout: @settings.request_timeout,
+                          read_timeout: @settings.request_timeout) do |http|
             return http.request(req)
           end
           raise Mindee::Error::MindeeError, 'Could not resolve server response.'
diff --git a/sig/custom/net_http.rbs b/sig/custom/net_http.rbs
index c53bad3b8..2eef301b4 100644
--- a/sig/custom/net_http.rbs
+++ b/sig/custom/net_http.rbs
@@ -6,7 +6,7 @@ module Net
   class BufferedIO
   end
   class HTTP
-    def self.start: [T] (String?, Integer?, use_ssl: bool?, ?read_timeout: Integer) { (HTTP) -> T } -> T
+    def self.start: [T] (String?, Integer?, use_ssl: bool?, ?open_timeout: Integer, ?read_timeout: Integer) { (HTTP) -> T } -> T
 
     def request: (untyped) -> untyped
 
diff --git a/spec/data b/spec/data
index 4b7f33766..5037ffc3c 160000
--- a/spec/data
+++ b/spec/data
@@ -1 +1 @@
-Subproject commit 4b7f33766fab0e67804b84447b73c80a902d886a
+Subproject commit 5037ffc3c443ec0c93ed673acd22d6ae1c65771a
diff --git a/spec/v2/client_v2_spec.rb b/spec/v2/client_v2_spec.rb
index d64185929..13e0be0ce 100644
--- a/spec/v2/client_v2_spec.rb
+++ b/spec/v2/client_v2_spec.rb
@@ -119,6 +119,29 @@ def stub_next_request_with(method, hash:, status_code: 0)
       resp.job.completed_at.strftime('%Y-%m-%dT%H:%M:%S.%6N')
     ).to eq('2026-04-20T18:32:02.734312')
   end
+  it 'poll builds a real Net::HTTP::Get request without a Transfer-Encoding header' do
+    job_json = File.read(File.join(V2_DATA_DIR, 'job', 'ok_processing.json'))
+    captured_request = nil
+    captured_options = nil
+
+    http_double = instance_double(Net::HTTP)
+    allow(http_double).to receive(:request) do |req|
+      captured_request = req
+      build_mock_http_response(job_json, 200)
+    end
+    allow(Net::HTTP).to receive(:start) do |_host, _port, **options, &block|
+      captured_options = options
+      block.call(http_double)
+    end
+
+    api.send(:poll, "#{base_url}/v2/jobs/123e4567-e89b-12d3-a456-426614174000")
+
+    expect(captured_request).to be_a(Net::HTTP::Get)
+    expect(captured_request['Transfer-Encoding']).to be_nil
+    expect(captured_options[:open_timeout]).to eq(api.settings.request_timeout)
+    expect(captured_options[:read_timeout]).to eq(api.settings.request_timeout)
+  end
+
   context 'Cancellation token' do
     let(:processing_json) { File.read(File.join(V2_DATA_DIR, 'job', 'ok_processing.json')) }