diff --git a/compiler/luci/export/src/CircleExporterUtils.h b/compiler/luci/export/src/CircleExporterUtils.h
index 83b040753dc..9103d2689f1 100644
--- a/compiler/luci/export/src/CircleExporterUtils.h
+++ b/compiler/luci/export/src/CircleExporterUtils.h
@@ -26,6 +26,9 @@
 
 #include <mio/circle/schema_generated.h>
 
+// limitation of current flatbuffers file size
+inline constexpr unsigned int FLATBUFFERS_SIZE_MAX = 2147483648;
+
 namespace luci
 {
 
@@ -60,6 +63,12 @@ void set_tensor_index(loco::Node *node, const CircleTensorIndex &tensor_id);
 void clear_tensor_index(loco::Node *node);
 CircleTensorIndex get_tensor_index(loco::Node *node);
 
+// check if Flatbuffer builder can no longer hold the given amount of the data
+inline bool check_size_limit(flatbuffers::FlatBufferBuilder &fb, const uint64_t data_size)
+{
+  return data_size > FLATBUFFERS_SIZE_MAX - fb.GetSize();
+}
+
 } // namespace luci
 
 #endif // __CIRCLE_EXPORTER_UTILS_H__