diff --git a/htdocs/install/upgrade.php b/htdocs/install/upgrade.php
index ae3aae6c142..663b74902a4 100644
--- a/htdocs/install/upgrade.php
+++ b/htdocs/install/upgrade.php
@@ -149,29 +149,33 @@ if (! isset($_GET["action"]) || $_GET["action"] == "upgrade")
 								'llx_telephonie_societe_ligne',
 								'llx_telephonie_tarif_client');
 		    foreach ($listtables as $val)
-			{
-				$sql = "SHOW CREATE TABLE ".$val;
-			    $resql = $db->query($sql);
-			    if (! $resql) dolibarr_print_error($db);
-				{
-					$values=$db->fetch_array($resql);
-					$i=0;
-					$createsql=$values[1];
-					while (eregi('CONSTRAINT `(0_[0-9a-zA-Z]+|[_0-9a-zA-Z]+_ibfk_[0-9]+)`',$createsql,$reg) && $i < 100)
-					{
-						$sqldrop="ALTER TABLE ".$val." DROP FOREIGN KEY ".$reg[1];
-						$resqldrop = $db->query($sqldrop);
-						if ($resqldrop)
-						{
-							print '<tr><td colspan="2">'.$sqldrop.";</td></tr>\n";
-						}
-						$createsql=eregi_replace('CONSTRAINT `'.$reg[1].'`','XXX',$createsql);
-						$i++;
-					}
-					$db->free($resql);
-				}
-			
-			}
+		    {
+		    	$searchTable = '';
+		    	$searchTable = $db->DDLListTables($conf->db->name,$val);
+		    	if ($searchTable == $val)
+		    	{
+		    		$sql = "SHOW CREATE TABLE ".$val;
+			      $resql = $db->query($sql);
+			      if (! $resql) dolibarr_print_error($db);
+				    {
+				  	  $values=$db->fetch_array($resql);
+					    $i=0;
+					    $createsql=$values[1];
+					    while (eregi('CONSTRAINT `(0_[0-9a-zA-Z]+|[_0-9a-zA-Z]+_ibfk_[0-9]+)`',$createsql,$reg) && $i < 100)
+					    {
+						    $sqldrop="ALTER TABLE ".$val." DROP FOREIGN KEY ".$reg[1];
+						    $resqldrop = $db->query($sqldrop);
+						    if ($resqldrop)
+						    {
+							    print '<tr><td colspan="2">'.$sqldrop.";</td></tr>\n";
+						    }
+						    $createsql=eregi_replace('CONSTRAINT `'.$reg[1].'`','XXX',$createsql);
+						    $i++;
+					    }
+					    $db->free($resql);
+				    }
+			   }
+		  }
 		}
 	}
 	
diff --git a/htdocs/lib/databases/mysql.lib.php b/htdocs/lib/databases/mysql.lib.php
index 0bb300db0d9..474ed80bc60 100644
--- a/htdocs/lib/databases/mysql.lib.php
+++ b/htdocs/lib/databases/mysql.lib.php
@@ -672,15 +672,22 @@ class DoliDb
   }
   
   /**
-     \brief      Liste des tables dans une database.
-     \param	    database	Nom de la database
-     \return	    resource
-  */
-  function DDLListTables($database)
-  {
-    $this->results = mysql_list_tables($database, $this->db);
-    return $this->results;
-  }
+      \brief      Liste des tables dans une database.
+      \param	    database	Nom de la database
+      \param	    table   	Nom de la table à rechercher
+      \return	    resource
+    */
+    function DDLListTables($database, $table='')
+    {
+    	$like = '';
+    	if ($table) $like = "LIKE '".$table."'"
+    	$result = mysqli_query($this->db, "SHOW TABLES FROM ".$database." ".$like." ");
+    	while($row = mysqli_fetch_array($result))
+      {
+    	  $this->results = $row[0];
+      }
+      return $this->results;
+    }
   
   /**
      \brief      Crée une table
diff --git a/htdocs/lib/databases/mysqli.lib.php b/htdocs/lib/databases/mysqli.lib.php
index cbd583ead56..0659352bddb 100644
--- a/htdocs/lib/databases/mysqli.lib.php
+++ b/htdocs/lib/databases/mysqli.lib.php
@@ -678,12 +678,19 @@ class DoliDb
     /**
         \brief      Liste des tables dans une database.
         \param	    database	Nom de la database
+        \param	    table   	Nom de la table à rechercher
         \return	    resource
     */
-    function DDLListTables($database)
+    function DDLListTables($database, $table='')
     {
-        $this->results = mysqli_list_tables($database, $this->db);
-        return $this->results;
+    	$like = '';
+    	if ($table) $like = "LIKE '".$table."'";
+    	$result = mysqli_query($this->db, "SHOW TABLES FROM ".$database." ".$like." ");
+    	while($row = mysqli_fetch_array($result))
+      {
+    	  $this->results = $row[0];
+      }
+      return $this->results;
     }
 
 	/**