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 d2f05fc66a..45f65c6338 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
@@ -867,7 +867,7 @@ public class SessionVariable implements Serializable, Writable {
     private int runtimeBloomFilterSize = 2097152;
 
     @VariableMgr.VarAttr(name = RUNTIME_BLOOM_FILTER_MIN_SIZE, needForward = true)
-    private int runtimeBloomFilterMinSize = 1048576;
+    private int runtimeBloomFilterMinSize = 2048;
 
     @VariableMgr.VarAttr(name = RUNTIME_BLOOM_FILTER_MAX_SIZE, needForward = true)
     private int runtimeBloomFilterMaxSize = 16777216;