diff --git a/modules/orm/classes/Kohana/ORM.php b/modules/orm/classes/Kohana/ORM.php
index 2c8d9d1..54f3a86 100644
--- a/modules/orm/classes/Kohana/ORM.php
+++ b/modules/orm/classes/Kohana/ORM.php
@@ -792,6 +792,20 @@ class Kohana_ORM extends Model implements serializable {
 				// Object is no longer saved or valid
 				$this->_saved = $this->_valid = FALSE;
 			}
+
+			// If the replacement value is the same as the original value, we dont need to update.
+			// @note This assumes that the value returned from the DB is always a string.
+			if (array_key_exists($column, $this->_original_values) AND (string)$value === $this->_original_values[$column] AND array_key_exists($column, $this->_changed))
+			{
+				unset($this->_changed[$column]);
+
+				// Reset back our saved status.
+				if (! count($this->_changed))
+				{
+					$this->_saved = $this->_valid = TRUE;
+				}
+			}
+
 		}
 		elseif (isset($this->_belongs_to[$column]))
 		{