diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1365045e..6c8c0d24 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@
 - [#721](https://github.com/estruyf/vscode-front-matter/issues/721): Fix keywords regex to support unicode characters
 - [#725](https://github.com/estruyf/vscode-front-matter/issues/725): Fix for opening menu of pinned items
 - [#730](https://github.com/estruyf/vscode-front-matter/issues/730): Add debounce to the input fields
+- [#738](https://github.com/estruyf/vscode-front-matter/issues/738): Fix when re-opening the preview after closing it
 
 ## [9.4.0] - 2023-12-12 - [Release notes](https://beta.frontmatter.codes/updates/v9.4.0)
 
diff --git a/src/commands/Preview.ts b/src/commands/Preview.ts
index 0f28e902..835b6030 100644
--- a/src/commands/Preview.ts
+++ b/src/commands/Preview.ts
@@ -97,6 +97,9 @@ export class Preview {
     const cspSource = webView.webview.cspSource;
 
     webView.onDidDispose(() => {
+      if (crntFilePath && this.webviews[crntFilePath]) {
+        delete this.webviews[crntFilePath];
+      }
       webView.dispose();
     });