diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index 95375ac..1601ae8 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -339,6 +339,7 @@ dependencies = [
  "tauri-build",
  "thiserror",
  "tokio",
+ "uuid 1.3.0",
  "walkdir",
 ]
 
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 3e6e18d..9497a07 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -24,6 +24,7 @@ walkdir = "2.3.2"
 serde_repr = "0.1.10"
 tokio = { version = "1.23.1", features = ["full"] }
 image = "0.24.5"
+uuid = "1.3.0"
 
 [features]
 # this feature is used for production builds or when `devPath` points to the filesystem
diff --git a/src-tauri/src/commands/files.rs b/src-tauri/src/commands/files.rs
index 4444fc5..449e729 100644
--- a/src-tauri/src/commands/files.rs
+++ b/src-tauri/src/commands/files.rs
@@ -4,6 +4,7 @@ use walkdir::WalkDir;
 
 #[derive(Debug, Clone, Serialize)]
 pub struct FileItem {
+    pub id: String,
     pub filename: String,
     pub path: String,
     pub height: u32,
@@ -19,6 +20,7 @@ pub fn scan_directory(target: String) -> Result<Vec<FileItem>, String> {
         .map(|f| {
             let (width, height) = image::image_dimensions(f.path())?;
             Ok(FileItem {
+                id: uuid::Uuid::new_v4().to_string(),
                 filename: f
                     .path()
                     .file_name()
diff --git a/src/components/ContinuationView.tsx b/src/components/ContinuationView.tsx
index ec5955c..669e143 100644
--- a/src/components/ContinuationView.tsx
+++ b/src/components/ContinuationView.tsx
@@ -21,6 +21,7 @@ export const ContinuationView: FC = () => {
     },
     [files]
   );
+  const fileHeights = useMemo(() => map(item => item.height * (zoom / 100), files), [files, zoom]);
 
   useEffect(() => {
     ebus?.addListener('navigate_offset', ({ filename }) => {
@@ -48,7 +49,8 @@ export const ContinuationView: FC = () => {
         <VariableSizeList
           itemData={files}
           itemCount={fileCount}
-          itemSize={index => files[index].height * (zoom / 100)}
+          itemSize={index => fileHeights[index]}
+          itemKey={index => files[index].id}
           height={viewHeight}
           width="100%"
           ref={virtualListRef}
diff --git a/src/models.ts b/src/models.ts
index 36acf13..850443e 100644
--- a/src/models.ts
+++ b/src/models.ts
@@ -1,5 +1,6 @@
 export type FileItem = {
   sort: number;
+  id: string;
   filename: string;
   path: string;
   width: number;