diff --git a/native/spark-expr/src/math_funcs/internal/normalize_nan.rs b/native/spark-expr/src/math_funcs/internal/normalize_nan.rs
index 7f564aa0df..0bd556ed73 100644
--- a/native/spark-expr/src/math_funcs/internal/normalize_nan.rs
+++ b/native/spark-expr/src/math_funcs/internal/normalize_nan.rs
@@ -92,7 +92,7 @@ impl PhysicalExpr for NormalizeNaNAndZero {
     }
 
     fn children(&self) -> Vec<&Arc<dyn PhysicalExpr>> {
-        self.child.children()
+        vec![&self.child]
     }
 
     fn with_new_children(