diff --git a/docs/content/flink/procedures.md b/docs/content/flink/procedures.md
index a270b1cd6519..3fae9b40512f 100644
--- a/docs/content/flink/procedures.md
+++ b/docs/content/flink/procedures.md
@@ -263,7 +263,7 @@ All available procedures are listed below.
       </td>
       <td>
          -- for Flink 1.18<br/><br/>
-         CALL sys.expire_partitions('default.T', '1 d', 'yyyy-MM-dd', 'values-time')<br/><br/>
+         CALL sys.expire_partitions('default.T', '1 d', 'yyyy-MM-dd', '$dt', 'values-time')<br/><br/>
          -- for Flink 1.19 and later<br/><br/>
          CALL sys.expire_partitions(`table` => 'default.T', expiration_time => '1 d', timestamp_formatter => 'yyyy-MM-dd', expire_strategy => 'values-time')<br/>
          CALL sys.expire_partitions(`table` => 'default.T', expiration_time => '1 d', timestamp_formatter => 'yyyy-MM-dd HH:mm', timestamp_pattern => '$dt $hm', expire_strategy => 'values-time')<br/><br/>
diff --git a/paimon-flink/paimon-flink-1.18/src/test/java/org/apache/paimon/flink/procedure/ProcedurePositionalArgumentsITCase.java b/paimon-flink/paimon-flink-1.18/src/test/java/org/apache/paimon/flink/procedure/ProcedurePositionalArgumentsITCase.java
index 5e1acca3ada6..1db04aa1d392 100644
--- a/paimon-flink/paimon-flink-1.18/src/test/java/org/apache/paimon/flink/procedure/ProcedurePositionalArgumentsITCase.java
+++ b/paimon-flink/paimon-flink-1.18/src/test/java/org/apache/paimon/flink/procedure/ProcedurePositionalArgumentsITCase.java
@@ -74,7 +74,7 @@ public void testExpirePartitionsProcedure() throws Exception {
         sql("INSERT INTO T VALUES ('1', '2024-06-01')");
         sql("INSERT INTO T VALUES ('2', '9024-06-01')");
         assertThat(read(table)).containsExactlyInAnyOrder("1:2024-06-01", "2:9024-06-01");
-        sql("CALL sys.expire_partitions('default.T', '1 d', 'yyyy-MM-dd', 'values-time')");
+        sql("CALL sys.expire_partitions('default.T', '1 d', 'yyyy-MM-dd', '$dt', 'values-time')");
         assertThat(read(table)).containsExactlyInAnyOrder("2:9024-06-01");
     }