diff --git a/src/expr/core/src/window_function/call.rs b/src/expr/core/src/window_function/call.rs
index a7804be77725c..43545cc2a107a 100644
--- a/src/expr/core/src/window_function/call.rs
+++ b/src/expr/core/src/window_function/call.rs
@@ -245,7 +245,8 @@ impl FrameBound<usize> {
     }
 }
 
-#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash, Default, EnumAsInner)]
+#[derive(Display, Debug, Copy, Clone, Eq, PartialEq, Hash, Default, EnumAsInner)]
+#[display("EXCLUDE {}", style = "TITLE CASE")]
 pub enum FrameExclusion {
     CurrentRow,
     // Group,
@@ -254,16 +255,6 @@ pub enum FrameExclusion {
     NoOthers,
 }
 
-impl Display for FrameExclusion {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            FrameExclusion::CurrentRow => write!(f, "EXCLUDE CURRENT ROW")?,
-            FrameExclusion::NoOthers => write!(f, "EXCLUDE NO OTHERS")?,
-        }
-        Ok(())
-    }
-}
-
 impl FrameExclusion {
     pub fn from_protobuf(exclusion: PbExclusion) -> Result<Self> {
         let excl = match exclusion {