diff --git a/paramecio/cromosoma/databases/mysqldb.py b/paramecio/cromosoma/databases/mysqldb.py
index 9bfa871..c0aebed 100644
--- a/paramecio/cromosoma/databases/mysqldb.py
+++ b/paramecio/cromosoma/databases/mysqldb.py
@@ -37,6 +37,9 @@ class SqlClass:
                     SqlClass.mypool=pool.QueuePool(getconn, max_overflow=self.max_overflow, pool_size=self.pool_size, recycle=self.pool_recycle)
 
                 self.conn=SqlClass.mypool.connect()
+                
+                while not self.conn.open:
+                    self.conn=SqlClass.mypool.connect()
 
                 self.conn.ping(True)