diff --git a/lib/snikket.rb b/lib/snikket.rb
index 2d6536b7004340cdb7b6c8d66cc40841a3612aa6..013b0945dbcc10d74f0cf474256f20918e812708 100644
--- a/lib/snikket.rb
+++ b/lib/snikket.rb
@@ -166,7 +166,7 @@ module Snikket
 
 		def instance_id=(instance_id)
 			query.at_xpath("./ns:instance-id", ns: self.class.registered_ns)&.remove
-			node = Nokogiri::XML::Node.new("intance-id", document)
+			node = Nokogiri::XML::Node.new("instance-id", document)
 			node.default_namespace = self.class.registered_ns
 			node.content = instance_id
 			query << node