diff --git a/htdocs/core/class/html.formticket.class.php b/htdocs/core/class/html.formticket.class.php
index c310c352690..c1837af4c56 100644
--- a/htdocs/core/class/html.formticket.class.php
+++ b/htdocs/core/class/html.formticket.class.php
@@ -247,6 +247,18 @@ class FormTicket
 		$doleditor->Create();
 		print '</td></tr>';
 
+		if (!empty($conf->global->MAIN_SECURITY_ENABLECAPTCHA)) {
+			require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
+			print '<tr><td class="titlefield"><label for="email"><span class="fieldrequired">'.$langs->trans("SecurityCode").'</span></label></td><td>';
+			print '<span class="span-icon-security inline-block">';
+			print '<input id="securitycode" placeholder="'.$langs->trans("SecurityCode").'" class="flat input-icon-security width150" type="text" maxlength="5" name="code" tabindex="3" />';
+			print '</span>';
+			print '<span class="nowrap inline-block">';
+			print '<img class="inline-block valignmiddle" src="'.DOL_URL_ROOT.'/core/antispamimage.php" border="0" width="80" height="32" id="img_securitycode" />';
+			print '<a class="inline-block valignmiddle" href="'.$php_self.'" tabindex="4" data-role="button">'.img_picto($langs->trans("Refresh"), 'refresh', 'id="captcha_refresh_img"').'</a>';
+			print '</span>';
+			print '</td></tr>';
+		}
 
 		// Attached files
 		if (!empty($this->withfile)) {
diff --git a/htdocs/public/ticket/create_ticket.php b/htdocs/public/ticket/create_ticket.php
index 1c81faca1ad..46cc1d082e8 100644
--- a/htdocs/public/ticket/create_ticket.php
+++ b/htdocs/public/ticket/create_ticket.php
@@ -143,6 +143,17 @@ if (empty($reshook) && $action == 'create_ticket' && GETPOST('add', 'alpha')) {
 		$action = '';
 	}
 
+	// Check Captcha code if is enabled
+	if (!empty($conf->global->MAIN_SECURITY_ENABLECAPTCHA)) {
+		$sessionkey = 'dol_antispam_value';
+		$ok = (array_key_exists($sessionkey, $_SESSION) === true && (strtolower($_SESSION[$sessionkey]) == strtolower($_POST['code'])));
+		if (!$ok) {
+			$error++;
+			array_push($object->errors, $langs->trans("ErrorBadValueForCode"));
+			$action = '';
+		}
+	}
+
 	if (!$error) {
 		$object->db->begin();