diff --git a/caffe2/serialize/inline_container.cc b/caffe2/serialize/inline_container.cc
index 9847bc132264..9d3cc332ae96 100644
--- a/caffe2/serialize/inline_container.cc
+++ b/caffe2/serialize/inline_container.cc
@@ -142,7 +142,13 @@ void PyTorchStreamReader::init() {
     std::tie(version_ptr, version_size) = getRecord("version");
   }
   std::string version(static_cast<const char*>(version_ptr.get()), version_size);
-  version_ = caffe2::stoull(version);
+  try {
+    version_ = caffe2::stoull(version);
+  } catch (const std::invalid_argument &e) {
+    CAFFE_THROW("Couldn't parse the version ",
+                 version,
+                 " as Long Long.");
+  }
   // NOLINTNEXTLINE(clang-diagnostic-sign-compare)
   if (version_ < kMinSupportedFileFormatVersion) {
     CAFFE_THROW(