diff --git a/06_EmailProfiler/1.3.1.0.sql b/06_EmailProfiler/1.3.1.0.sql
index 0244cae..9f9c99d 100644
--- a/06_EmailProfiler/1.3.1.0.sql
+++ b/06_EmailProfiler/1.3.1.0.sql
@@ -1,4 +1,8 @@
 UPDATE TBDD_MODULES SET DB_VERSION = '1.3.1.0' where SHORT_NAME = 'EMLP' 
 
+ALTER TABLE TBEMLP_HISTORY DROP CONSTRAINT DF_TBEMLP_HISTORY_FB_UPDATED
+GO
 ALTER TABLE TBEMLP_HISTORY DROP COLUMN FB_UPDATED
-ALTER TABLE TBEMLP_HISTORY ADD COLUMN MD5HASH NVARCHAR(500) NULL
\ No newline at end of file
+GO
+ALTER TABLE TBEMLP_HISTORY ADD MD5HASH int NOT NULL DEFAULT('')
+GO
\ No newline at end of file