diff --git a/include/extensible.h b/include/extensible.h
index f28e52f27..0b3b1f1f4 100644
--- a/include/extensible.h
+++ b/include/extensible.h
@@ -190,6 +190,7 @@ class SerializableExtensibleItem<bool> : public PrimitiveExtensibleItem<bool>
 
 	void ExtensibleSerialize(const Extensible *e, const Serializable *s, Serialize::Data &data) const anope_override
 	{
+		data.SetType(this->name, Serialize::Data::DT_INT);
 		data[this->name] << true;
 	}