diff --git a/core/modules/digiriskdolibarr/digiriskdolibarrdocuments/workunitdocument/mod_workunitdocument_standard.php b/core/modules/digiriskdolibarr/digiriskdolibarrdocuments/workunitdocument/mod_workunitdocument_standard.php
index b764b97d9..223ae191e 100644
--- a/core/modules/digiriskdolibarr/digiriskdolibarrdocuments/workunitdocument/mod_workunitdocument_standard.php
+++ b/core/modules/digiriskdolibarr/digiriskdolibarrdocuments/workunitdocument/mod_workunitdocument_standard.php
@@ -33,7 +33,7 @@ class mod_workunitdocument_standard extends ModeleNumRefSaturne
 	/**
 	 * @var string Numbering module ref prefix.
 	 */
-	public string $prefix = 'WUD';
+	public string $prefix = 'UTD';
 
 	/**
 	 * @var string Name.
diff --git a/core/modules/digiriskdolibarr/digiriskelement/workunit/mod_workunit_standard.php b/core/modules/digiriskdolibarr/digiriskelement/workunit/mod_workunit_standard.php
index c19a29c1c..fc75c59c1 100644
--- a/core/modules/digiriskdolibarr/digiriskelement/workunit/mod_workunit_standard.php
+++ b/core/modules/digiriskdolibarr/digiriskelement/workunit/mod_workunit_standard.php
@@ -33,7 +33,7 @@ class mod_workunit_standard extends ModeleNumRefSaturne
 	/**
 	 * @var string Numbering module ref prefix.
 	 */
-	public string $prefix = 'WU';
+	public string $prefix = 'UT';
 
 	/**
 	 * @var string Name.
diff --git a/core/modules/modDigiriskDolibarr.class.php b/core/modules/modDigiriskDolibarr.class.php
index ca6c04de4..2d7b19147 100644
--- a/core/modules/modDigiriskDolibarr.class.php
+++ b/core/modules/modDigiriskDolibarr.class.php
@@ -2103,9 +2103,6 @@ public function init($options = '')
 			dolibarr_set_const($this->db, 'MAIN_EXTRAFIELDS_USE_SELECT2', 1, 'integer', 0, '', $conf->entity);
 		}
 
-		dolibarr_set_const($this->db, 'DIGIRISKDOLIBARR_VERSION', $this->version, 'chaine', 0, '', $conf->entity);
-		dolibarr_set_const($this->db, 'DIGIRISKDOLIBARR_DB_VERSION', $this->version, 'chaine', 0, '', $conf->entity);
-
 		if ($conf->global->CATEGORIE_RECURSIV_ADD == 0) {
 			dolibarr_set_const($this->db, 'CATEGORIE_RECURSIV_ADD', 1, 'integer', 0, '', $conf->entity);
 		}
@@ -2327,7 +2324,7 @@ public function init($options = '')
                 'RiskSign'              => ['greip', 'RS{0}'],
                 'Evaluator'             => ['bebhionn', 'EV{0}'],
                 'Groupment'             => ['sirius', 'GP{0}'],
-                'WorkUnit'              => ['canopus', 'WU{0}'],
+                'WorkUnit'              => ['canopus', (version_compare($conf->global->DIGIRISKDOLIBARR_VERSION, '9.14.1') >= 0  ? 'UT{0}' : 'WU{0}')],
                 'Accident'              => ['curtiss', 'ACC{0}'],
                 'AccidentLesion'        => ['wright', 'ACCL{0}'],
                 'AccidentWorkStop'      => ['richthofen', 'ACCW{0}'],
@@ -2342,7 +2339,7 @@ public function init($options = '')
                 'ListingRisksAction'            => ['gunnlod', 'RLA{0}'],
                 'ListingRisksPhoto'             => ['fornjot', 'RLP{0}'],
                 'GroupmentDocument'             => ['mundilfari', 'GPD{0}'],
-                'WorkUnitDocument'              => ['hati', 'WUD{0}'],
+                'WorkUnitDocument'              => ['hati', (version_compare($conf->global->DIGIRISKDOLIBARR_VERSION, '9.14.1') >= 0  ? 'UTD{0}' : 'WUD{0}')],
                 'RiskAssessmentDocument'        => ['eggther', 'DU{0}'],
                 'PreventionPlanDocument'        => ['bestla', 'PPD{0}'],
                 'FirePermitDocument'            => ['greip', 'FPD{0}'],
@@ -2375,7 +2372,10 @@ public function init($options = '')
             rename($mediaPath . '/accident_investigationdocument', $mediaPath . '/accidentinvestigationdocument');
         }
 
-		return $this->_init($sql, $options);
+        dolibarr_set_const($this->db, 'DIGIRISKDOLIBARR_VERSION', $this->version, 'chaine', 0, '', $conf->entity);
+        dolibarr_set_const($this->db, 'DIGIRISKDOLIBARR_DB_VERSION', $this->version, 'chaine', 0, '', $conf->entity);
+
+        return $this->_init($sql, $options);
 	}
 
 	/**