diff --git a/python/plugins/db_manager/db_plugins/oracle/plugin.py b/python/plugins/db_manager/db_plugins/oracle/plugin.py
index ffbdf4e02c5..a4bbe66771e 100644
--- a/python/plugins/db_manager/db_plugins/oracle/plugin.py
+++ b/python/plugins/db_manager/db_plugins/oracle/plugin.py
@@ -203,8 +203,12 @@ class ORDatabase(Database):
         uri = self.uri()
         con = self.database().connector
 
+        if uniqueCol is not None:
+            uniqueCol = uniqueCol.strip('"').replace('""', '"')
+
         uri.setDataSource(u"", u"({}\n)".format(
-            sql), geomCol, filter, uniqueCol.strip(u'"'))
+            sql), geomCol, filter, uniqueCol)
+
         if avoidSelectById:
             uri.disableSelectAtId(True)
         provider = self.dbplugin().providerName()