diff --git a/dblayer.php b/dblayer.php
index 3ad8ccb..4b86e45 100644
--- a/dblayer.php
+++ b/dblayer.php
@@ -956,7 +956,8 @@ class dblayer extends PDO
     switch ($this->getAttribute(PDO::ATTR_DRIVER_NAME))
     {
     case "sqlite":
-      $sql = "CREATE TABLE $this->sep$this->tableprefix$this->table$this->sep ".
+      $sql = "CREATE TABLE IF NOT EXISTS ".
+             "$this->sep$this->tableprefix$this->table$this->sep ".
              "(\n";
       $i = 0;
       foreach ($this->fields as $field=>$params)
@@ -1051,7 +1052,8 @@ class dblayer extends PDO
       $sql .=")";
       break;
     case "mysql":
-      $sql = "CREATE TABLE $this->sep$this->tableprefix$this->table$this->sep ".
+      $sql = "CREATE TABLE IF NOT EXISTS ".
+             "$this->sep$this->tableprefix$this->table$this->sep ".
              "(\n";
       $i = 0;
       foreach ($this->fields as $field=>$params)
@@ -1142,7 +1144,8 @@ class dblayer extends PDO
       $sql .=")  ENGINE=InnoDB DEFAULT CHARSET=utf8;";
       break;
     case "pgsql":
-      $sql = "CREATE TABLE \"$this->tableprefix$this->table\" (\n";
+      $sql = "CREATE TABLE IF NOT EXISTS ".
+             "\"$this->tableprefix$this->table\" (\n";
       $i = 0;
       foreach ($this->fields as $field=>$params)
       {