diff --git a/src/databases/firebird.php b/src/databases/firebird.php
index 528ea2d..4028958 100644
--- a/src/databases/firebird.php
+++ b/src/databases/firebird.php
@@ -138,9 +138,9 @@ class firebird {
 	function get_tables()
 	{	
 		$sql = <<<SQL
-			SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" 
-			WHERE "RDB$RELATION_NAME" NOT LIKE 'RDB$%'
-			AND "RDB$RELATION_NAME" NOT LIKE 'MON$%'
+			SELECT "RDB\$RELATION_NAME" FROM "RDB\$RELATIONS" 
+			WHERE "RDB\$RELATION_NAME" NOT LIKE 'RDB$%'
+			AND "RDB\$RELATION_NAME" NOT LIKE 'MON$%'
 SQL;
 
 		$this->statement = $this->query($sql);
@@ -163,9 +163,9 @@ SQL;
 	function get_system_tables()
 	{
 		$sql = <<<SQL
-			SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS"
-			WHERE "RDB$RELATION_NAME" LIKE 'RDB$%'
-			OR "RDB$RELATION_NAME" LIKE 'MON$%';
+			SELECT "RDB\$RELATION_NAME" FROM "RDB\$RELATIONS"
+			WHERE "RDB\$RELATION_NAME" LIKE 'RDB$%'
+			OR "RDB\$RELATION_NAME" LIKE 'MON$%';
 SQL;
 
 		$this->statement = $this->query($sql);