diff --git a/be/src/exprs/create_predicate_function.h b/be/src/exprs/create_predicate_function.h
index a96565b55db3fe..596608e9e825b5 100644
--- a/be/src/exprs/create_predicate_function.h
+++ b/be/src/exprs/create_predicate_function.h
@@ -233,7 +233,8 @@ ColumnPredicate* create_olap_column_predicate(uint32_t column_id,
     std::shared_ptr<BloomFilterFuncBase> filter_olap;
     filter_olap.reset(create_bloom_filter(PT));
     filter_olap->light_copy(filter.get());
-    return new BloomFilterColumnPredicate<PT>(column_id, filter, be_exec_version);
+    // create a new filter to match the input filter and PT. For example, filter may be varchar, but PT is char
+    return new BloomFilterColumnPredicate<PT>(column_id, filter_olap, be_exec_version);
 }
 
 template <PrimitiveType PT>