diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa2faef..21f871b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+
+### Fixed
+
+- Fixes [#1587](https://github.com/eamodio/vscode-gitlens/issues/1587) - Hover on blame can duplicate — thanks to [PR #1588](https://github.com/eamodio/vscode-gitlens/pull/1588) by Takashi Tamura ([@tamuratak](https://github.com/tamuratak))
+
 ## [11.6.1] - 2021-10-08
 
 ### Changed
diff --git a/README.md b/README.md
index 644d6ba..d064eff 100644
--- a/README.md
+++ b/README.md
@@ -1112,6 +1112,7 @@ A big thanks to the people that have contributed to this project:
 - sueka ([@sueka](https://github.com/sueka)) — [contributions](https://github.com/eamodio/vscode-gitlens/commits?author=sueka)
 - Mike Surcouf ([@mikes-gh](https://github.com/mikes-gh)) — [contributions](https://github.com/eamodio/vscode-gitlens/commits?author=mikes-gh)
 - Alexey Svetliakov ([@asvetliakov](https://github.com/asvetliakov)) — [contributions](https://github.com/eamodio/vscode-gitlens/commits?author=asvetliakov)
+- Takashi Tamura ([@tamuratak](https://github.com/tamuratak)) — [contributions](https://github.com/eamodio/vscode-gitlens/commits?author=tamuratak)
 - Andy Tang ([@thewindsofwinter](https://github.com/thewindsofwinter)) — [contributions](https://github.com/eamodio/vscode-gitlens/commits?author=thewindsofwinter)
 - Alexey Vasyukov ([@notmedia](https://github.com/notmedia)) — [contributions](https://github.com/eamodio/vscode-gitlens/commits?author=notmedia)
 - Ivan Volzhev ([@ivolzhevbt](https://github.com/ivolzhevbt)) — [contributions](https://github.com/eamodio/vscode-gitlens/commits?author=ivolzhevbt)
diff --git a/src/annotations/blameAnnotationProvider.ts b/src/annotations/blameAnnotationProvider.ts
index 3c7deeb..1a88798 100644
--- a/src/annotations/blameAnnotationProvider.ts
+++ b/src/annotations/blameAnnotationProvider.ts
@@ -146,7 +146,7 @@ export abstract class BlameAnnotationProviderBase extends AnnotationProviderBase
 	): Promise<Hover | undefined> {
 		if (Container.config.hovers.annotations.over !== 'line' && position.character !== 0) return undefined;
 
-		if (this.document.uri.toString(true) !== document.uri.toString(true)) return undefined;
+		if (this.document.uri.toString() !== document.uri.toString()) return undefined;
 
 		const blame = await this.getBlame();
 		if (blame == null) return undefined;