diff --git a/src/vs/platform/extensionManagement/node/extensionManagementService.ts b/src/vs/platform/extensionManagement/node/extensionManagementService.ts
index bddb22b6f307e95621ca36408e3ba3314a847351..687d47ab967017d27646130dbe2f535e5226cf76 100644
--- a/src/vs/platform/extensionManagement/node/extensionManagementService.ts
+++ b/src/vs/platform/extensionManagement/node/extensionManagementService.ts
@@ -459,7 +459,10 @@ export class ExtensionManagementService implements IExtensionManagementService {
 
 	private async postUninstallExtension(extension: ILocalExtension, error?: string): TPromise<void> {
 		if (!error) {
-			await this.galleryService.reportStatistic(extension.manifest.publisher, extension.manifest.name, extension.manifest.version, StatisticType.Uninstall);
+			// only report if extension has a mapped gallery extension. UUID identifies the gallery extension.
+			if (extension.identifier.uuid) {
+				await this.galleryService.reportStatistic(extension.manifest.publisher, extension.manifest.name, extension.manifest.version, StatisticType.Uninstall);
+			}
 		}
 
 		this._onDidUninstallExtension.fire({ identifier: extension.identifier, error });