diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index a45faf6..109d8c1 100644
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -598,10 +598,10 @@
 				return $default;
 			}
 
-			return $_POST[$field];
+			return form_prep($_POST[$field]);
 		}
 
-		return $OBJ->set_value($field, $default);
+		return form_prep($OBJ->set_value($field, $default));
 	}
 }