diff --git a/src/RunningFilter.php b/src/RunningFilter.php
index 876d5ea..1357d4a 100644
--- a/src/RunningFilter.php
+++ b/src/RunningFilter.php
@@ -171,15 +171,15 @@ public function setField($field, $value, $mod = null)
             throw new \InvalidArgumentException('Mod `'.$mod.'` is not valid for Field `'.$field.'`.');
         }
 
-        $value = $this->transform($field, $value);
-
-        $this->fields[$field] = $value;
         if ($mod === null) {
             $mod = $this->defaultMods[$field];
         }
-
+        
         $this->mods[$field] = $mod;
 
+        $value = $this->transform($field, $value);
+        $this->fields[$field] = $value;
+
         return $this;
     }//end setField()