diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/marker.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/marker.rs
index b02abafe1..a14245995 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/marker.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/marker.rs
@@ -1,4 +1,4 @@
-use super::model::{SeparationNode, SeparationNote, TextMaskArea};
+use super::model::SeparationNode;
 use base64::Engine as _;
 use std::path::Path;
 use std::path::PathBuf;
@@ -246,6 +246,7 @@ fn draw_brush(
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::ui_editor::commands::separation::{SeparationNote, TextMaskArea};
 
     #[test]
     fn draw_frame_adds_green_cross_corner_lines() {
@@ -287,10 +288,15 @@ mod tests {
             height_px: 6,
             note: SeparationNote::default(),
             text_mask_areas: vec![TextMaskArea {
-                global_pos_x_px: 2,
-                global_pos_y_px: 3,
-                width_px: 2,
-                height_px: 2,
+                global_pos_x_px: 0,
+                global_pos_y_px: 0,
+                width_px: 1,
+                height_px: 1,
+            }, TextMaskArea {
+                global_pos_x_px: 1,
+                global_pos_y_px: 1,
+                width_px: 1,
+                height_px: 1,
             }],
             children: vec![],
             rework_count: 0,
@@ -316,7 +322,7 @@ mod tests {
             8,
             8,
         );
-        assert_eq!(*image.get_pixel(2, 4), PURPLE_FILL);
+        assert_eq!(*image.get_pixel(0, 0), PURPLE_FILL);
         assert_eq!(*image.get_pixel(1, 1), image::Rgba([0, 255, 0, 255]));
     }
 }
diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/model/binding.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/model/binding.rs
index d552e8b12..c21b4388d 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/model/binding.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/model/binding.rs
@@ -2,7 +2,7 @@ use crate::ui_editor::utils::NodeId;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
-#[derive(Clone, Copy, Debug, Deserialize, PartialEq, Serialize, JsonSchema)]
+#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize, JsonSchema)]
 #[schemars(deny_unknown_fields)]
 pub struct BindingArea {
     pub global_pos_x_px: u32,