diff --git a/compiler/luci/export/src/CircleTensorExporter.cpp b/compiler/luci/export/src/CircleTensorExporter.cpp
index 1b29a7f97e6..fa585d06e81 100644
--- a/compiler/luci/export/src/CircleTensorExporter.cpp
+++ b/compiler/luci/export/src/CircleTensorExporter.cpp
@@ -680,6 +680,8 @@ namespace luci
 
 void prepareModelData(FlatBufferBuilder &builder, SerializedModelData &md)
 {
+  md.clear();
+
   // add one empty buffer
   //   note: this follows TFLite
   //   note: there's a comment in tflite fbs file