diff --git a/templates/repo/diff/box.tmpl b/templates/repo/diff/box.tmpl
index 1198452f7e..8f570e5efc 100644
--- a/templates/repo/diff/box.tmpl
+++ b/templates/repo/diff/box.tmpl
@@ -147,7 +147,7 @@
 										{{end}}
 									{{end}}
 									{{if $isReviewFile}}
-										<label data-link="{{$.Issue.Link}}/viewed-files" data-headcommit="{{$.PullHeadCommitID}}" class="viewed-file-form unselectable{{if $file.IsViewed}} viewed-file-checked-form{{end}}">
+										<label data-link="{{$.Issue.Link}}/viewed-files" data-headcommit="{{$.AfterCommitID}}" class="viewed-file-form unselectable{{if $file.IsViewed}} viewed-file-checked-form{{end}}">
 											<input type="checkbox" name="{{$file.GetDiffFileName}}" autocomplete="off"{{if $file.IsViewed}} checked{{end}}> {{$.locale.Tr "repo.pulls.has_viewed_file"}}
 										</label>
 									{{end}}