diff --git a/reference/mysqli/mysqli/connect-errno.xml b/reference/mysqli/mysqli/connect-errno.xml
index e6b8b30113..12a7f71a57 100644
--- a/reference/mysqli/mysqli/connect-errno.xml
+++ b/reference/mysqli/mysqli/connect-errno.xml
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <para>&style.oop;</para>
-  <fieldsynopsis><type>string</type><varname linkend="mysqli.connect-errno">mysqli->connect_errno</varname></fieldsynopsis>
+  <fieldsynopsis><type>int</type><varname linkend="mysqli.connect-errno">mysqli->connect_errno</varname></fieldsynopsis>
   <para>&style.procedural;</para>
   <methodsynopsis>
    <type>int</type><methodname>mysqli_connect_errno</methodname>