diff --git a/src/sota_tools/request_pool.cc b/src/sota_tools/request_pool.cc
index 3b99ab3519..eefa543e3a 100644
--- a/src/sota_tools/request_pool.cc
+++ b/src/sota_tools/request_pool.cc
@@ -12,6 +12,14 @@ RequestPool::RequestPool(const TreehubServer& server, const int max_curl_request
   curl_global_init(CURL_GLOBAL_DEFAULT);
   multi_ = curl_multi_init();
   curl_multi_setopt(multi_, CURLMOPT_PIPELINING, CURLPIPE_HTTP1 | CURLPIPE_MULTIPLEX);
+
+  curl = curl_easy_init();
+  if (curl == nullptr) {
+    throw std::runtime_error("Could not initialize curl");
+  }
+  headers = nullptr;
+  headers = curl_slist_append(headers, "Content-Type: application/octet-stream");
+  curlEasySetoptWrapper(curl, CURLOPT_HTTPHEADER, headers);
 }
 
 RequestPool::~RequestPool() {
@@ -26,6 +34,8 @@ RequestPool::~RequestPool() {
 
     curl_multi_cleanup(multi_);
     curl_global_cleanup();
+    curl_slist_free_all(headers);
+    curl_easy_cleanup(curl);
   } catch (std::exception& ex) {
     LOG_ERROR << "Exception in RequestPool dtor: " << ex.what();
   } catch (...) {
diff --git a/src/sota_tools/request_pool.h b/src/sota_tools/request_pool.h
index 8db5e88c71..3b079c064b 100644
--- a/src/sota_tools/request_pool.h
+++ b/src/sota_tools/request_pool.h
@@ -44,6 +44,8 @@ class RequestPool {
   int total_requests_made_{0};
   const TreehubServer& server_;
   CURLM* multi_;
+  CURL* curl;
+  curl_slist* headers;
   std::list<OSTreeObject::ptr> query_queue_;
   std::list<OSTreeObject::ptr> upload_queue_;
   RunMode mode_;