diff --git a/plugins/pubIds/urn/URNPubIdPlugin.php b/plugins/pubIds/urn/URNPubIdPlugin.php
index f79f8e1aef4..b667878cb65 100755
--- a/plugins/pubIds/urn/URNPubIdPlugin.php
+++ b/plugins/pubIds/urn/URNPubIdPlugin.php
@@ -210,7 +210,7 @@ public function getLinkActions($pubObject)
                 __('plugins.pubIds.urn.editor.clearObjectsURN.confirm'),
                 __('common.delete'),
                 $request->url(null, null, 'clearPubId', null, $userVars),
-                'modal_delete'
+                'negative'
             ),
             __('plugins.pubIds.urn.editor.clearObjectsURN'),
             'delete',
@@ -226,7 +226,7 @@ public function getLinkActions($pubObject)
                     __('plugins.pubIds.urn.editor.clearIssueObjectsURN.confirm'),
                     __('common.delete'),
                     $request->url(null, null, 'clearIssueObjectsPubIds', null, $userVars),
-                    'modal_delete'
+                    'negative'
                 ),
                 __('plugins.pubIds.urn.editor.clearIssueObjectsURN'),
                 'delete',
diff --git a/plugins/pubIds/urn/classes/form/URNSettingsForm.php b/plugins/pubIds/urn/classes/form/URNSettingsForm.php
index 5dd6de4de8f..f7e409577a6 100644
--- a/plugins/pubIds/urn/classes/form/URNSettingsForm.php
+++ b/plugins/pubIds/urn/classes/form/URNSettingsForm.php
@@ -104,7 +104,7 @@ public function __construct($plugin, $contextId)
                 __('plugins.pubIds.urn.manager.settings.urnReassign.confirm'),
                 __('common.delete'),
                 $request->url(null, null, 'manage', null, ['verb' => 'clearPubIds', 'plugin' => $plugin->getName(), 'category' => 'pubIds']),
-                'modal_delete'
+                'negative'
             ),
             __('plugins.pubIds.urn.manager.settings.urnReassign'),
             'delete'