diff --git a/core/file_api.php b/core/file_api.php
index fef6404..4d816fd 100644
--- a/core/file_api.php
+++ b/core/file_api.php
@@ -795,7 +795,7 @@ function file_add( $p_bug_id, array $p_file, $p_table = 'bug', $p_title = '', $p
 		'user_id'     => (int)$p_user_id,
 	);
 	# Oracle has to update BLOBs separately
-	if( !db_is_oracle() ) {
+	if( !db_is_oracle() && !db_is_mssql() ) {
 		$t_param['content'] = $c_content;
 	}
 	$t_query_param = db_param();
@@ -803,10 +803,18 @@ function file_add( $p_bug_id, array $p_file, $p_table = 'bug', $p_title = '', $p
 		$t_query_param .= ', ' . db_param();
 	}
 
-	$t_query = 'INSERT INTO ' . $t_file_table . '
-		( ' . implode(', ', array_keys( $t_param ) ) . ' )
-	VALUES
-		( ' . $t_query_param . ' )';
+	if ( !db_is_mssql() ) {
+		$t_query = 'INSERT INTO ' . $t_file_table . '
+			( ' . implode(', ', array_keys( $t_param ) ) . ' )
+		VALUES
+			( ' . $t_query_param . ' )';
+	} else {
+		$t_query = 'INSERT INTO ' . $t_file_table . '
+			( ' . implode(', ', array_keys( $t_param ) ) . ', content  )
+		VALUES
+			( ' . $t_query_param . ', ' . $c_content . ' )';
+	}
+
 	db_query( $t_query, array_values( $t_param ) );
 
 	if( db_is_oracle() ) {