diff --git a/fe/fe-core/src/main/java/org/apache/doris/catalog/MTMV.java b/fe/fe-core/src/main/java/org/apache/doris/catalog/MTMV.java
index f0730f0d37..7f24934c2a 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/catalog/MTMV.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/catalog/MTMV.java
@@ -268,6 +268,10 @@ public class MTMV extends OlapTable {
         relation = materializedView.relation;
         mvPartitionInfo = materializedView.mvPartitionInfo;
         refreshSnapshot = materializedView.refreshSnapshot;
+        // For compatibility
+        if (refreshSnapshot == null) {
+            refreshSnapshot = new MTMVRefreshSnapshot();
+        }
     }
 
 }