1 files changed, 3 insertions, 2 deletions
diff --git a/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts b/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
index cb560efaaa3..8e2d1a5badd 100644
--- a/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
+++ b/src/vs/workbench/contrib/extensions/browser/extensionEditor.ts
@@ -71,6 +71,7 @@ import { MarkdownString } from 'vs/base/common/htmlContent';
 import { IPaneCompositePartService } from 'vs/workbench/services/panecomposite/browser/panecomposite';
 import { ViewContainerLocation } from 'vs/workbench/common/views';
 import { IExtensionGalleryService, IGalleryExtension } from 'vs/platform/extensionManagement/common/extensionManagement';
+import semver = require('vs/base/common/semver/semver');
 
 class NavBar extends Disposable {
 
@@ -183,10 +184,10 @@ class VersionWidget extends ExtensionWithDifferentGalleryVersionWidget {
 		this.render();
 	}
 	render(): void {
-		if (!this.extension) {
+		if (!this.extension || !semver.valid(this.extension.version)) {
 			return;
 		}
-		this.element.textContent = `v${this.gallery ? this.gallery.version : this.extension.version}`;
+		this.element.textContent = `v${this.gallery?.version ?? this.extension.version}`;
 	}
 }