diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
index cccff906dd..9e5525a27f 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@@ -788,7 +788,7 @@ public class SessionVariable implements Serializable, Writable {
 
     // this is used to make c3p0 library happy
     @VariableMgr.VarAttr(name = MAX_ALLOWED_PACKET)
-    public int maxAllowedPacket = 1048576;
+    public int maxAllowedPacket = 16777216;
 
     @VariableMgr.VarAttr(name = AUTO_INCREMENT_INCREMENT)
     public int autoIncrementIncrement = 1;