diff --git a/models/issues/comment_list.go b/models/issues/comment_list.go
index 6b4ad80eed5..61ac1c8f562 100644
--- a/models/issues/comment_list.go
+++ b/models/issues/comment_list.go
@@ -32,7 +32,9 @@ func (comments CommentList) LoadPosters(ctx context.Context) error {
 	}
 
 	for _, comment := range comments {
-		comment.Poster = getPoster(comment.PosterID, posterMaps)
+		if comment.Poster == nil {
+			comment.Poster = getPoster(comment.PosterID, posterMaps)
+		}
 	}
 	return nil
 }
diff --git a/models/issues/issue_list.go b/models/issues/issue_list.go
index 0dd37a04df2..2c007c72ec6 100644
--- a/models/issues/issue_list.go
+++ b/models/issues/issue_list.go
@@ -87,7 +87,9 @@ func (issues IssueList) LoadPosters(ctx context.Context) error {
 	}
 
 	for _, issue := range issues {
-		issue.Poster = getPoster(issue.PosterID, posterMaps)
+		if issue.Poster == nil {
+			issue.Poster = getPoster(issue.PosterID, posterMaps)
+		}
 	}
 	return nil
 }