1 files changed, 2 insertions, 1 deletions
diff --git a/library/cpp/http/server/http_ex.cpp b/library/cpp/http/server/http_ex.cpp
index fc43d2defc..0681da10ff 100644
--- a/library/cpp/http/server/http_ex.cpp
+++ b/library/cpp/http/server/http_ex.cpp
@@ -87,7 +87,8 @@ bool THttpClientRequestExtension::ProcessHeaders(TBaseServerRequestData& rd, TBl
                     }
 
                     TBuffer buf(SafeIntegerCast<size_t>(contentLength));
-                    buf.Resize(Input().Load(buf.Data(), (size_t)contentLength));
+                    Input().LoadOrFail(buf.Data(), (size_t)contentLength);
+                    buf.Resize((size_t)contentLength);
                     postData = TBlob::FromBuffer(buf);
                 } else {
                     postData = TBlob::FromStream(Input());