diff --git a/fe/spark-dpp/src/main/java/org/apache/doris/load/loadv2/dpp/DppUtils.java b/fe/spark-dpp/src/main/java/org/apache/doris/load/loadv2/dpp/DppUtils.java
index 78ef43b52253a1..a13d4ed614947f 100644
--- a/fe/spark-dpp/src/main/java/org/apache/doris/load/loadv2/dpp/DppUtils.java
+++ b/fe/spark-dpp/src/main/java/org/apache/doris/load/loadv2/dpp/DppUtils.java
@@ -185,6 +185,7 @@ public static ByteBuffer getHashValue(Object o, DataType type) {
                 throw new RuntimeException(e);
             }
         }
+        buffer.flip();
         return buffer;
     }