diff --git a/be/src/vec/exec/format/orc/vorc_reader.cpp b/be/src/vec/exec/format/orc/vorc_reader.cpp
index 7c05f934bd5c0a..6671f79e3cfdd5 100644
--- a/be/src/vec/exec/format/orc/vorc_reader.cpp
+++ b/be/src/vec/exec/format/orc/vorc_reader.cpp
@@ -2018,9 +2018,9 @@ bool OrcReader::_can_filter_by_dict(int slot_id) {
         //  the implementation of NULL values because the dictionary itself does not contain
         //  NULL value encoding. As a result, many NULL-related functions or expressions
         //  cannot work properly, such as is null, is not null, coalesce, etc.
-        //  Here we first disable dictionary filtering when predicate contains functions.
+        //  Here we first disable dictionary filtering when predicate expr is not slot.
         //  Implementation of NULL value dictionary filtering will be carried out later.
-        if (expr->node_type() == TExprNodeType::FUNCTION_CALL) {
+        if (expr->node_type() != TExprNodeType::SLOT_REF) {
             return false;
         }
         for (auto& child : expr->children()) {
diff --git a/be/src/vec/exec/format/parquet/vparquet_group_reader.cpp b/be/src/vec/exec/format/parquet/vparquet_group_reader.cpp
index 37e82774c39ee4..b9259be936bb31 100644
--- a/be/src/vec/exec/format/parquet/vparquet_group_reader.cpp
+++ b/be/src/vec/exec/format/parquet/vparquet_group_reader.cpp
@@ -212,9 +212,9 @@ bool RowGroupReader::_can_filter_by_dict(int slot_id,
         //  the implementation of NULL values because the dictionary itself does not contain
         //  NULL value encoding. As a result, many NULL-related functions or expressions
         //  cannot work properly, such as is null, is not null, coalesce, etc.
-        //  Here we first disable dictionary filtering when predicate contains functions.
+        //  Here we first disable dictionary filtering when predicate is not slot.
         //  Implementation of NULL value dictionary filtering will be carried out later.
-        if (expr->node_type() == TExprNodeType::FUNCTION_CALL) {
+        if (expr->node_type() != TExprNodeType::SLOT_REF) {
             return false;
         }
         for (auto& child : expr->children()) {
diff --git a/regression-test/data/external_table_p0/hive/test_string_dict_filter.out b/regression-test/data/external_table_p0/hive/test_string_dict_filter.out
index a14f225abe5d0b..2a8cebd872315e 100644
--- a/regression-test/data/external_table_p0/hive/test_string_dict_filter.out
+++ b/regression-test/data/external_table_p0/hive/test_string_dict_filter.out
@@ -56,6 +56,9 @@ null
 -- !q14 --
 null
 
+-- !q15 --
+5
+
 -- !q01 --
 3	123314	F	193846.25	1993-10-14	5-LOW	Clerk#000000955	0	sly final accounts boost. carefully regular ideas cajole carefully. depos
 5	44485	F	144659.20	1994-07-30	5-LOW	Clerk#000000925	0	quickly. bold deposits sleep slyly. packages use slyly
@@ -113,6 +116,9 @@ null
 -- !q14 --
 null
 
+-- !q15 --
+5
+
 -- !q01 --
 3	123314	F	193846.25	1993-10-14	5-LOW	Clerk#000000955	0	sly final accounts boost. carefully regular ideas cajole carefully. depos
 5	44485	F	144659.20	1994-07-30	5-LOW	Clerk#000000925	0	quickly. bold deposits sleep slyly. packages use slyly
@@ -170,6 +176,9 @@ null
 -- !q14 --
 null
 
+-- !q15 --
+5
+
 -- !q01 --
 3	123314	F	193846.25	1993-10-14	5-LOW	Clerk#000000955	0	sly final accounts boost. carefully regular ideas cajole carefully. depos
 5	44485	F	144659.20	1994-07-30	5-LOW	Clerk#000000925	0	quickly. bold deposits sleep slyly. packages use slyly
@@ -227,3 +236,6 @@ null
 -- !q14 --
 null
 
+-- !q15 --
+5
+
diff --git a/regression-test/suites/external_table_p0/hive/test_string_dict_filter.groovy b/regression-test/suites/external_table_p0/hive/test_string_dict_filter.groovy
index 82afc63042f249..1929c813c554ac 100644
--- a/regression-test/suites/external_table_p0/hive/test_string_dict_filter.groovy
+++ b/regression-test/suites/external_table_p0/hive/test_string_dict_filter.groovy
@@ -59,6 +59,9 @@ suite("test_string_dict_filter", "p0,external,hive,external_docker,external_dock
         qt_q14 """
         select * from ( select COALESCE(o_orderpriority, 'null') AS o_orderpriority from test_string_dict_filter_parquet ) as A where o_orderpriority = 'null';
         """
+        qt_q15 """
+        select count(o_orderpriority) from ( select (case when o_orderpriority = 'x' then '1' when o_orderpriority = 'y' then '2' else '0' end) as o_orderpriority from test_string_dict_filter_parquet ) as A where o_orderpriority = '0';
+        """
     }
     def q_orc = {
         qt_q01 """
@@ -103,6 +106,9 @@ suite("test_string_dict_filter", "p0,external,hive,external_docker,external_dock
         qt_q14 """
         select * from ( select COALESCE(o_orderpriority, 'null') AS o_orderpriority from test_string_dict_filter_orc ) as A where o_orderpriority = 'null';
         """
+        qt_q15 """
+        select count(o_orderpriority) from ( select (case when o_orderpriority = 'x' then '1' when o_orderpriority = 'y' then '2' else '0' end) as o_orderpriority from test_string_dict_filter_orc ) as A where o_orderpriority = '0';
+        """
     }
     String enabled = context.config.otherConfigs.get("enableHiveTest")
     if (enabled == null || !enabled.equalsIgnoreCase("true")) {