diff --git a/include/capi/cef_urlrequest_capi.h b/include/capi/cef_urlrequest_capi.h
index 8ade45be5..cf95f268b 100644
--- a/include/capi/cef_urlrequest_capi.h
+++ b/include/capi/cef_urlrequest_capi.h
@@ -146,7 +146,7 @@ typedef struct _cef_urlrequest_client_t {
   // UR_FLAG_REPORT_UPLOAD_PROGRESS flag is set on the request.
   ///
   void (CEF_CALLBACK *on_upload_progress)(struct _cef_urlrequest_client_t* self,
-      struct _cef_urlrequest_t* request, uint64 current, uint64 total);
+      struct _cef_urlrequest_t* request, int64 current, int64 total);
 
   ///
   // Notifies the client of download progress. |current| denotes the number of
@@ -155,7 +155,7 @@ typedef struct _cef_urlrequest_client_t {
   ///
   void (CEF_CALLBACK *on_download_progress)(
       struct _cef_urlrequest_client_t* self, struct _cef_urlrequest_t* request,
-      uint64 current, uint64 total);
+      int64 current, int64 total);
 
   ///
   // Called when some part of the response is read. |data| contains the current
diff --git a/include/cef_urlrequest.h b/include/cef_urlrequest.h
index 02a9da684..1a4e839fe 100644
--- a/include/cef_urlrequest.h
+++ b/include/cef_urlrequest.h
@@ -140,8 +140,8 @@ class CefURLRequestClient : public virtual CefBase {
   ///
   /*--cef()--*/
   virtual void OnUploadProgress(CefRefPtr<CefURLRequest> request,
-                                uint64 current,
-                                uint64 total) =0;
+                                int64 current,
+                                int64 total) =0;
 
   ///
   // Notifies the client of download progress. |current| denotes the number of
@@ -150,8 +150,8 @@ class CefURLRequestClient : public virtual CefBase {
   ///
   /*--cef()--*/
   virtual void OnDownloadProgress(CefRefPtr<CefURLRequest> request,
-                                  uint64 current,
-                                  uint64 total) =0;
+                                  int64 current,
+                                  int64 total) =0;
 
   ///
   // Called when some part of the response is read. |data| contains the current
diff --git a/libcef_dll/cpptoc/urlrequest_client_cpptoc.cc b/libcef_dll/cpptoc/urlrequest_client_cpptoc.cc
index 080832161..52d9581a0 100644
--- a/libcef_dll/cpptoc/urlrequest_client_cpptoc.cc
+++ b/libcef_dll/cpptoc/urlrequest_client_cpptoc.cc
@@ -36,7 +36,7 @@ void CEF_CALLBACK urlrequest_client_on_request_complete(
 
 void CEF_CALLBACK urlrequest_client_on_upload_progress(
     struct _cef_urlrequest_client_t* self, cef_urlrequest_t* request,
-    uint64 current, uint64 total) {
+    int64 current, int64 total) {
   // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
 
   DCHECK(self);
@@ -56,7 +56,7 @@ void CEF_CALLBACK urlrequest_client_on_upload_progress(
 
 void CEF_CALLBACK urlrequest_client_on_download_progress(
     struct _cef_urlrequest_client_t* self, cef_urlrequest_t* request,
-    uint64 current, uint64 total) {
+    int64 current, int64 total) {
   // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
 
   DCHECK(self);
diff --git a/libcef_dll/ctocpp/urlrequest_client_ctocpp.cc b/libcef_dll/ctocpp/urlrequest_client_ctocpp.cc
index 8f4b11f6e..c3e3560d0 100644
--- a/libcef_dll/ctocpp/urlrequest_client_ctocpp.cc
+++ b/libcef_dll/ctocpp/urlrequest_client_ctocpp.cc
@@ -35,7 +35,7 @@ void CefURLRequestClientCToCpp::OnRequestComplete(
 }
 
 void CefURLRequestClientCToCpp::OnUploadProgress(
-    CefRefPtr<CefURLRequest> request, uint64 current, uint64 total) {
+    CefRefPtr<CefURLRequest> request, int64 current, int64 total) {
   if (CEF_MEMBER_MISSING(struct_, on_upload_progress))
     return;
 
@@ -54,7 +54,7 @@ void CefURLRequestClientCToCpp::OnUploadProgress(
 }
 
 void CefURLRequestClientCToCpp::OnDownloadProgress(
-    CefRefPtr<CefURLRequest> request, uint64 current, uint64 total) {
+    CefRefPtr<CefURLRequest> request, int64 current, int64 total) {
   if (CEF_MEMBER_MISSING(struct_, on_download_progress))
     return;
 
diff --git a/libcef_dll/ctocpp/urlrequest_client_ctocpp.h b/libcef_dll/ctocpp/urlrequest_client_ctocpp.h
index 1a4444e2e..3c2e61640 100644
--- a/libcef_dll/ctocpp/urlrequest_client_ctocpp.h
+++ b/libcef_dll/ctocpp/urlrequest_client_ctocpp.h
@@ -34,10 +34,10 @@ class CefURLRequestClientCToCpp
 
   // CefURLRequestClient methods
   void OnRequestComplete(CefRefPtr<CefURLRequest> request) override;
-  void OnUploadProgress(CefRefPtr<CefURLRequest> request, uint64 current,
-      uint64 total) override;
-  void OnDownloadProgress(CefRefPtr<CefURLRequest> request, uint64 current,
-      uint64 total) override;
+  void OnUploadProgress(CefRefPtr<CefURLRequest> request, int64 current,
+      int64 total) override;
+  void OnDownloadProgress(CefRefPtr<CefURLRequest> request, int64 current,
+      int64 total) override;
   void OnDownloadData(CefRefPtr<CefURLRequest> request, const void* data,
       size_t data_length) override;
   bool GetAuthCredentials(bool isProxy, const CefString& host, int port,
diff --git a/tests/unittests/urlrequest_unittest.cc b/tests/unittests/urlrequest_unittest.cc
index 98bb1caa4..737624114 100644
--- a/tests/unittests/urlrequest_unittest.cc
+++ b/tests/unittests/urlrequest_unittest.cc
@@ -445,15 +445,15 @@ class RequestClient : public CefURLRequestClient {
   }
 
   void OnUploadProgress(CefRefPtr<CefURLRequest> request,
-                        uint64 current,
-                        uint64 total) override {
+                        int64 current,
+                        int64 total) override {
     upload_progress_ct_++;
     upload_total_ = total;
   }
 
   void OnDownloadProgress(CefRefPtr<CefURLRequest> request,
-                          uint64 current,
-                          uint64 total) override {
+                          int64 current,
+                          int64 total) override {
     response_ = request->GetResponse();
     EXPECT_TRUE(response_.get());
     EXPECT_TRUE(response_->IsReadOnly());
@@ -1120,14 +1120,14 @@ class InvalidURLTestClient : public CefURLRequestClient {
   }
 
   void OnUploadProgress(CefRefPtr<CefURLRequest> request,
-                        uint64 current,
-                        uint64 total) override {
+                        int64 current,
+                        int64 total) override {
     EXPECT_TRUE(false);  // Not reached.
   }
 
   void OnDownloadProgress(CefRefPtr<CefURLRequest> request,
-                          uint64 current,
-                          uint64 total) override {
+                          int64 current,
+                          int64 total) override {
     EXPECT_TRUE(false);  // Not reached.
   }