diff --git a/frontend/src/components/dialog/delete-folder-dialog.js b/frontend/src/components/dialog/delete-folder-dialog.js
index 4037f21025..9d099dca26 100644
--- a/frontend/src/components/dialog/delete-folder-dialog.js
+++ b/frontend/src/components/dialog/delete-folder-dialog.js
@@ -43,7 +43,7 @@ class DeleteFolderDialog extends Component {
     const { path, toggleDialog } = this.props;
     const folderName = Utils.getFileName(path);
     const opTarget = '<span class="op-target">' + Utils.HTMLescape(folderName) + '</span>';
-    const message = gettext('Are you sure you want to delete %s ?').replace('%s', opTarget);
+    const message = gettext('Are you sure you want to delete {placeholder} ?').replace('{placeholder}', opTarget);
 
     let alert_message = '';
     if (sharedToUserCount > 0 || sharedToGroupCount > 0) {
diff --git a/frontend/src/components/dialog/delete-repo-dialog.js b/frontend/src/components/dialog/delete-repo-dialog.js
index 19b61ea258..c366df1802 100644
--- a/frontend/src/components/dialog/delete-repo-dialog.js
+++ b/frontend/src/components/dialog/delete-repo-dialog.js
@@ -51,8 +51,8 @@ class DeleteRepoDialog extends Component {
     const { isRequestSended } = this.state;
     const repo = this.props.repo;
     const repoName = '<span class="op-target">' + Utils.HTMLescape(repo.repo_name || repo.name) + '</span>';
-    let message = gettext('Are you sure you want to delete %s ?');
-    message = message.replace('%s', repoName);
+    let message = gettext('Are you sure you want to delete {placeholder} ?');
+    message = message.replace('{placeholder}', repoName);
 
     let alert_message = '';
     if (this.state.sharedToUserCount > 0 || this.state.sharedToGroupCount > 0) {