diff --git a/fe/fe-core/src/main/java/com/starrocks/catalog/MaterializedView.java b/fe/fe-core/src/main/java/com/starrocks/catalog/MaterializedView.java
index 1ebbe2c830fdbd..b13538866d5450 100644
--- a/fe/fe-core/src/main/java/com/starrocks/catalog/MaterializedView.java
+++ b/fe/fe-core/src/main/java/com/starrocks/catalog/MaterializedView.java
@@ -794,6 +794,14 @@ public long getLastRefreshTime() {
         return refreshScheme.getLastRefreshTime();
     }
 
+    public long getMaxPartitionRowCount() {
+        long maxRowCount = 0;
+        for (Map.Entry<Long, Partition> entry : idToPartition.entrySet()) {
+            maxRowCount = Math.max(maxRowCount, entry.getValue().getBaseIndex().getRowCount());
+        }
+        return maxRowCount;
+    }
+
     /**
      * Check weather this materialized view's staleness is satisfied.
      *
diff --git a/fe/fe-core/src/main/java/com/starrocks/sql/optimizer/MaterializationContext.java b/fe/fe-core/src/main/java/com/starrocks/sql/optimizer/MaterializationContext.java
index d1737187123bd3..f8193ea62a4666 100644
--- a/fe/fe-core/src/main/java/com/starrocks/sql/optimizer/MaterializationContext.java
+++ b/fe/fe-core/src/main/java/com/starrocks/sql/optimizer/MaterializationContext.java
@@ -362,7 +362,7 @@ private static int orderingIntersectTables(MaterializationContext mvContext) {
          * Prefer small table to large table
          */
         private static long orderingRowCount(MaterializationContext mvContext) {
-            return mvContext.getMv().getRowCount();
+            return mvContext.getMv().getMaxPartitionRowCount();
         }
 
         @Override