diff --git a/src/pipeline/src/etl/processor.rs b/src/pipeline/src/etl/processor.rs
index 0b553c3c9c..5413dcf379 100644
--- a/src/pipeline/src/etl/processor.rs
+++ b/src/pipeline/src/etl/processor.rs
@@ -298,5 +298,5 @@ pub(crate) fn yaml_new_fields(v: &yaml_rust::Yaml, field: &str) -> Result<Fields
 }
 
 pub(crate) fn yaml_new_field(v: &yaml_rust::Yaml, field: &str) -> Result<Field> {
-    yaml_parse_string(v, field)
+    STRING_OR_HASH_FN(field, v)
 }
diff --git a/src/pipeline/tests/date.rs b/src/pipeline/tests/date.rs
index 775f0688c1..fc9e726b61 100644
--- a/src/pipeline/tests/date.rs
+++ b/src/pipeline/tests/date.rs
@@ -136,3 +136,89 @@ transform:
         Some(ValueData::TimestampNanosecondValue(1719440016991000000))
     );
 }
+
+#[test]
+fn test_rename_with_fields() {
+    let pipeline_yaml = r#"
+processors:
+- date:
+    fields:
+      - key: input_str
+        rename_to: ts
+    formats:
+      - "%Y-%m-%dT%H:%M:%S%.3fZ"
+
+transform:
+- fields:
+      - ts
+  type: time
+"#;
+
+    let output = common::parse_and_exec(TEST_INPUT, pipeline_yaml);
+    assert_eq!(output.schema, *EXPECTED_SCHEMA);
+    assert_eq!(output.rows[0].values[0].value_data, TEST_VALUE);
+}
+
+#[test]
+fn test_rename_with_field() {
+    let pipeline_yaml = r#"
+processors:
+- date:
+    field:
+      key: input_str
+      rename_to: ts
+    formats:
+      - "%Y-%m-%dT%H:%M:%S%.3fZ"
+
+transform:
+- fields:
+      - ts
+  type: time
+"#;
+
+    let output = common::parse_and_exec(TEST_INPUT, pipeline_yaml);
+    assert_eq!(output.schema, *EXPECTED_SCHEMA);
+    assert_eq!(output.rows[0].values[0].value_data, TEST_VALUE);
+}
+
+#[test]
+fn test_rename_with_transform_fields() {
+    let pipeline_yaml = r#"
+processors:
+- date:
+    field: input_str
+    formats:
+      - "%Y-%m-%dT%H:%M:%S%.3fZ"
+
+transform:
+- fields:
+  - key: input_str
+    rename_to: ts
+  type: time
+"#;
+
+    let output = common::parse_and_exec(TEST_INPUT, pipeline_yaml);
+    assert_eq!(output.schema, *EXPECTED_SCHEMA);
+    assert_eq!(output.rows[0].values[0].value_data, TEST_VALUE);
+}
+
+#[test]
+fn test_rename_with_transform_field() {
+    let pipeline_yaml = r#"
+processors:
+- date:
+    field: input_str
+    formats:
+      - "%Y-%m-%dT%H:%M:%S%.3fZ"
+
+transform:
+- field:
+    key: input_str
+    rename_to: ts
+  type: time
+"#;
+
+    let output = common::parse_and_exec(TEST_INPUT, pipeline_yaml);
+    assert_eq!(output.schema, *EXPECTED_SCHEMA);
+    assert_eq!(output.rows[0].values[0].value_data, TEST_VALUE);
+}