diff --git a/htdocs/projet/class/task.class.php b/htdocs/projet/class/task.class.php
index 265f218fc53..f474d200783 100644
--- a/htdocs/projet/class/task.class.php
+++ b/htdocs/projet/class/task.class.php
@@ -451,7 +451,7 @@ class Task extends CommonObjectLine
 
 		// Clean parameters
 		if (isset($this->fk_project)) {
-			$this->fk_project = trim($this->fk_project);
+			$this->fk_project = (int) $this->fk_project;
 		}
 		if (isset($this->ref)) {
 			$this->ref = trim($this->ref);
@@ -472,7 +472,7 @@ class Task extends CommonObjectLine
 			$this->planned_workload = trim($this->planned_workload);
 		}
 		if (isset($this->budget_amount)) {
-			$this->budget_amount = trim($this->budget_amount);
+			$this->budget_amount = (float) $this->budget_amount;
 		}
 
 		if (!empty($this->date_start) && !empty($this->date_end) && $this->date_start > $this->date_end) {