diff --git a/PlagiarismPlugin.inc.php b/PlagiarismPlugin.inc.php
index c39bf31..733cfae 100644
--- a/PlagiarismPlugin.inc.php
+++ b/PlagiarismPlugin.inc.php
@@ -21,7 +21,7 @@ public function register($category, $path, $mainContextId = null) {
 		$this->addLocaleData();
 
 		if ($success && Config::getVar('ithenticate', 'ithenticate') && $this->getEnabled()) {
-			HookRegistry::register('submissionsubmitstep4form::display', array($this, 'callback'));
+			HookRegistry::register('submissionsubmitstep4form::execute', array($this, 'callback'));
 		}
 		return $success;
 	}
diff --git a/version.xml b/version.xml
index 46102b0..41b4a79 100644
--- a/version.xml
+++ b/version.xml
@@ -13,8 +13,8 @@
 <version>
 	<application>plagiarism</application>
 	<type>plugins.generic</type>
-	<release>1.0.4.0</release>
-	<date>2021-01-28</date>
+	<release>1.0.5.0</release>
+	<date>2022-01-26</date>
 	<lazy-load>1</lazy-load>
 	<class>PlagiarismPlugin</class>
 </version>