diff --git a/src/common/windows/symbol_collector_client.cc b/src/common/windows/symbol_collector_client.cc
index 30c663ed..6e871bf0 100644
--- a/src/common/windows/symbol_collector_client.cc
+++ b/src/common/windows/symbol_collector_client.cc
@@ -12,6 +12,7 @@ namespace google_breakpad {
   bool SymbolCollectorClient::CreateUploadUrl(
       wstring& api_url,
       wstring& api_key,
+      int* timeout_ms,
       UploadUrlResponse *uploadUrlResponse) {
     wstring url = api_url +
         L"/v1/uploads:create"
@@ -23,7 +24,7 @@ namespace google_breakpad {
         url,
         L"",
         L"",
-        NULL,
+        timeout_ms,
         &response,
         &response_code)) {
       wprintf(L"Failed to create upload url.\n");
@@ -66,6 +67,7 @@ namespace google_breakpad {
   CompleteUploadResult SymbolCollectorClient::CompleteUpload(
       wstring& api_url,
       wstring& api_key,
+      int* timeout_ms,
       const wstring& upload_key,
       const wstring& debug_file,
       const wstring& debug_id) {
@@ -84,7 +86,7 @@ namespace google_breakpad {
         url,
         body,
         L"application/json",
-        NULL,
+        timeout_ms,
         &response,
         &response_code)) {
       wprintf(L"Failed to complete upload.\n");
@@ -116,6 +118,7 @@ namespace google_breakpad {
   SymbolStatus SymbolCollectorClient::CheckSymbolStatus(
       wstring& api_url,
       wstring& api_key,
+      int* timeout_ms,
       const wstring& debug_file,
       const wstring& debug_id) {
     wstring response;
@@ -126,7 +129,7 @@ namespace google_breakpad {
 
     if (!HTTPUpload::SendGetRequest(
         url,
-        NULL,
+        timeout_ms,
         &response,
         &response_code)) {
       wprintf(L"Failed to check symbol status.\n");
diff --git a/src/common/windows/symbol_collector_client.h b/src/common/windows/symbol_collector_client.h
index 30e0cb32..4a85c052 100644
--- a/src/common/windows/symbol_collector_client.h
+++ b/src/common/windows/symbol_collector_client.h
@@ -64,6 +64,7 @@ namespace google_breakpad {
     static bool CreateUploadUrl(
         wstring& api_url,
         wstring& api_key,
+        int* timeout_ms,
         UploadUrlResponse *uploadUrlResponse);
 
     // Notify the API that symbol file upload is finished and its contents
@@ -71,6 +72,7 @@ namespace google_breakpad {
     static CompleteUploadResult CompleteUpload(
         wstring& api_url,
         wstring& api_key,
+        int* timeout_ms,
         const wstring& upload_key,
         const wstring& debug_file,
         const wstring& debug_id);
@@ -80,6 +82,7 @@ namespace google_breakpad {
     static SymbolStatus CheckSymbolStatus(
         wstring& api_url,
         wstring& api_key,
+        int* timeout_ms,
         const wstring& debug_file,
         const wstring& debug_id);
   };
diff --git a/src/tools/windows/symupload/symupload.cc b/src/tools/windows/symupload/symupload.cc
index c774b0e7..3a26ca89 100644
--- a/src/tools/windows/symupload/symupload.cc
+++ b/src/tools/windows/symupload/symupload.cc
@@ -163,6 +163,7 @@ static bool DumpSymbolsToTempFile(const wchar_t* file,
 static bool DoSymUploadV2(
     const wchar_t* api_url,
     const wchar_t* api_key,
+    int* timeout_ms,
     const wstring& debug_file,
     const wstring& debug_id,
     const wstring& symbol_file,
@@ -174,6 +175,7 @@ static bool DoSymUploadV2(
     SymbolStatus symbolStatus = SymbolCollectorClient::CheckSymbolStatus(
       url,
       key,
+      timeout_ms,
       debug_file,
       debug_id);
     if (symbolStatus == SymbolStatus::Found) {
@@ -191,6 +193,7 @@ static bool DoSymUploadV2(
   if (!SymbolCollectorClient::CreateUploadUrl(
       url,
       key,
+      timeout_ms,
       &uploadUrlResponse)) {
     wprintf(L"Failed to create upload URL.\n");
     return false;
@@ -203,7 +206,7 @@ static bool DoSymUploadV2(
   bool success = HTTPUpload::SendPutRequest(
     signed_url,
     symbol_file,
-    /* timeout = */ NULL,
+    timeout_ms,
     &response,
     &response_code);
   if (!success) {
@@ -228,6 +231,7 @@ static bool DoSymUploadV2(
     SymbolCollectorClient::CompleteUpload(
       url,
       key,
+      timeout_ms,
       upload_key,
       debug_file,
       debug_id);
@@ -339,12 +343,8 @@ int wmain(int argc, wchar_t* argv[]) {
       api_key = argv[currentarg++];
 
       success = DoSymUploadV2(
-        api_url,
-        api_key,
-        pdb_info.debug_file,
-        pdb_info.debug_identifier,
-        symbol_file,
-        force);
+          api_url, api_key, timeout == -1 ? nullptr : &timeout,
+          pdb_info.debug_file, pdb_info.debug_identifier, symbol_file, force);
     } else {
       printUsageAndExit();
     }