diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index ecd404b..4cf4440 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -509,7 +509,11 @@
 		
 		$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
 	
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$orderby.$limit;
+		$sql = "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr);
+		$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+		$sql .= $orderby.$limit;
+		
+		return $sql;
 	}
 
 	
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index a5082d1..372365a 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -550,7 +550,11 @@
 		
 		$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
 	
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$orderby.$limit;
+		$sql = "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr);
+		$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+		$sql .= $orderby.$limit;
+		
+		return $sql;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index 9e7cc0c..31c2711 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -544,7 +544,11 @@
 		
 		$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
 	
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$orderby.$limit;
+		$sql = "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr);
+		$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+		$sql .= $orderby.$limit;
+		
+		return $sql;
 	}
 
 	
diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php
index aa2aeca..7aab37e 100644
--- a/system/database/drivers/oci8/oci8_driver.php
+++ b/system/database/drivers/oci8/oci8_driver.php
@@ -655,7 +655,11 @@
 		
 		$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
 	
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$orderby.$limit;
+		$sql = "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr);
+		$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+		$sql .= $orderby.$limit;
+		
+		return $sql;
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php
index 88fff43..dd10fbd 100644
--- a/system/database/drivers/odbc/odbc_driver.php
+++ b/system/database/drivers/odbc/odbc_driver.php
@@ -520,7 +520,11 @@
 		
 		$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
 	
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$orderby.$limit;
+		$sql = "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr);
+		$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+		$sql .= $orderby.$limit;
+		
+		return $sql;
 	}
 
 	
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index ae8bd86..cac0ecb 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -540,7 +540,11 @@
 		
 		$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
 	
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$orderby.$limit;
+		$sql = "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr);
+		$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+		$sql .= $orderby.$limit;
+		
+		return $sql;
 	}
 
 	
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index dad5eee..5290ede 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -536,7 +536,11 @@
 		
 		$orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):'';
 	
-		return "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where).$orderby.$limit;
+		$sql = "UPDATE ".$this->_escape_table($table)." SET ".implode(', ', $valstr);
+		$sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+		$sql .= $orderby.$limit;
+		
+		return $sql;
 	}