diff --git a/trytond/backend/postgresql/database.py b/trytond/backend/postgresql/database.py
index c231270671..d737148de0 100644
--- a/trytond/backend/postgresql/database.py
+++ b/trytond/backend/postgresql/database.py
@@ -364,8 +364,8 @@ class Cursor(CursorInterface):
                 "'wkf_workitem', "
                 "'wkf_witm_trans', "
                 "'ir_module_module', "
-                "'ir_module_module_dependency, '"
-                "'ir_translation, '"
+                "'ir_module_module_dependency', "
+                "'ir_translation', "
                 "'ir_lang'"
                 ")")
         return len(self.cursor.fetchall()) != 0
diff --git a/trytond/backend/sqlite/database.py b/trytond/backend/sqlite/database.py
index 826a14a5fe..40b21d472b 100644
--- a/trytond/backend/sqlite/database.py
+++ b/trytond/backend/sqlite/database.py
@@ -330,8 +330,8 @@ class Cursor(CursorInterface):
                     "'wkf_workitem', "
                     "'wkf_witm_trans', "
                     "'ir_module_module', "
-                    "'ir_module_module_dependency, '"
-                    "'ir_translation, '"
+                    "'ir_module_module_dependency', "
+                    "'ir_translation', "
                     "'ir_lang'"
                     ")")
         except: