diff --git a/phpBB/db/msaccess.php b/phpBB/db/msaccess.php
index 33fb8e8863..6675581081 100644
--- a/phpBB/db/msaccess.php
+++ b/phpBB/db/msaccess.php
@@ -154,7 +154,7 @@ class sql_db
 			}
 			else if( eregi("^INSERT ", $query) )
 			{
-				$this->result = odbc_exec($this->db_connect_id, str_replace("\'", "''", $query));
+				$this->result = odbc_exec($this->db_connect_id, $query);
 
 				if( $this->result )
 				{
@@ -171,7 +171,7 @@ class sql_db
 			}
 			else
 			{
-				$this->result = odbc_exec($this->db_connect_id, str_replace("\'", "''", $query));
+				$this->result = odbc_exec($this->db_connect_id, $query);
 
 				if( $this->result )
 				{
diff --git a/phpBB/db/mssql-odbc.php b/phpBB/db/mssql-odbc.php
index 68774f8659..ab9f887f55 100644
--- a/phpBB/db/mssql-odbc.php
+++ b/phpBB/db/mssql-odbc.php
@@ -151,7 +151,7 @@ class sql_db
 			}
 			else if( eregi("^INSERT ", $query) )
 			{
-				$this->result = odbc_exec($this->db_connect_id, str_replace("\'", "''", $query));
+				$this->result = odbc_exec($this->db_connect_id, $query);
 
 				if( $this->result )
 				{
@@ -168,7 +168,7 @@ class sql_db
 			}
 			else
 			{
-				$this->result = odbc_exec($this->db_connect_id, str_replace("\'", "''", $query));
+				$this->result = odbc_exec($this->db_connect_id, $query);
 
 				if( $this->result )
 				{
diff --git a/phpBB/db/mssql.php b/phpBB/db/mssql.php
index e16e8ce710..52ae9c8a84 100644
--- a/phpBB/db/mssql.php
+++ b/phpBB/db/mssql.php
@@ -150,7 +150,7 @@ class sql_db
 			}
 			else if( eregi("^INSERT ", $query) )
 			{
-				if( mssql_query(str_replace("\'", "''", $query), $this->db_connect_id) )
+				if( mssql_query($query, $this->db_connect_id) )
 				{
 					$this->result = time() + microtime();
 
@@ -167,7 +167,7 @@ class sql_db
 			}
 			else
 			{
-				if( mssql_query(str_replace("\'", "''", $query), $this->db_connect_id) )
+				if( mssql_query($query, $this->db_connect_id) )
 				{
 					$this->result = time() + microtime();