diff --git a/src/ObjectCalisthenics/Sniffs/NamingConventions/ElementNameMinimalLengthSniff.php b/src/ObjectCalisthenics/Sniffs/NamingConventions/ElementNameMinimalLengthSniff.php
index c3e8c21..86e2496 100644
--- a/src/ObjectCalisthenics/Sniffs/NamingConventions/ElementNameMinimalLengthSniff.php
+++ b/src/ObjectCalisthenics/Sniffs/NamingConventions/ElementNameMinimalLengthSniff.php
@@ -21,7 +21,7 @@ final class ElementNameMinimalLengthSniff implements Sniff
     /**
      * @var string[]
      */
-    public $allowedShortNames = ['i', 'id', 'to'];
+    public $allowedShortNames = ['i', 'id', 'to','up'];
 
     /**
      * @return int[]
diff --git a/src/ObjectCalisthenics/ruleset.xml b/src/ObjectCalisthenics/ruleset.xml
index e7d4c1b..27691fa 100644
--- a/src/ObjectCalisthenics/ruleset.xml
+++ b/src/ObjectCalisthenics/ruleset.xml
@@ -17,7 +17,7 @@
     <rule ref="ObjectCalisthenics.NamingConventions.ElementNameMinimalLength">
         <properties>
             <property name="minLength" value="3"/>
-            <property name="allowedShortNames" type="array" value="i,id,to"/>
+            <property name="allowedShortNames" type="array" value="i,id,to,up"/>
         </properties>
     </rule>