diff --git a/trytond/backend/mysql/init.sql b/trytond/backend/mysql/init.sql
index f0bbbfed10..ad80e3427e 100644
--- a/trytond/backend/mysql/init.sql
+++ b/trytond/backend/mysql/init.sql
@@ -45,7 +45,7 @@ CREATE TABLE ir_translation (
     src TEXT,
     src_md5 VARCHAR(32) NOT NULL,
     name VARCHAR(255) NOT NULL,
-    res_id BIGINT NOT NULL,
+    res_id BIGINT,
     value TEXT,
     type VARCHAR(255),
     module VARCHAR(255),
diff --git a/trytond/backend/postgresql/init.sql b/trytond/backend/postgresql/init.sql
index ecbce7a91b..b4eb3aadcb 100644
--- a/trytond/backend/postgresql/init.sql
+++ b/trytond/backend/postgresql/init.sql
@@ -55,7 +55,7 @@ CREATE TABLE ir_translation (
     src TEXT,
     src_md5 VARCHAR(32) NOT NULL,
     name VARCHAR NOT NULL,
-    res_id INTEGER NOT NULL,
+    res_id INTEGER,
     value TEXT,
     "type" VARCHAR,
     module VARCHAR,