diff --git a/src/Service/Leave/LeaveBalanceComputationService.php b/src/Service/Leave/LeaveBalanceComputationService.php
index 359bd7b..1d17b6d 100644
--- a/src/Service/Leave/LeaveBalanceComputationService.php
+++ b/src/Service/Leave/LeaveBalanceComputationService.php
@@ -349,14 +349,25 @@ final readonly class LeaveBalanceComputationService
             }
 
             for ($cursor = $rangeStart; $cursor <= $rangeEnd; $cursor = $cursor->modify('+1 day')) {
+                $dayOfWeek = (int) $cursor->format('N');
+
+                if ($splitSaturdays) {
+                    if (7 === $dayOfWeek) {
+                        continue;
+                    }
+                } else {
+                    if ($dayOfWeek >= 6) {
+                        continue;
+                    }
+                }
+
                 [$am, $pm] = $this->resolveSegmentsForDate($absence, $cursor->format('Y-m-d'));
                 $dayAmount = ($am ? 0.5 : 0.0) + ($pm ? 0.5 : 0.0);
                 if ($dayAmount <= 0.0) {
                     continue;
                 }
 
-                $isSaturday = $splitSaturdays && '6' === $cursor->format('N');
-                if ($isSaturday) {
+                if ($splitSaturdays && 6 === $dayOfWeek) {
                     $takenSaturdays += $dayAmount;
                 } else {
                     $takenDays += $dayAmount;
diff --git a/src/State/EmployeeLeaveSummaryProvider.php b/src/State/EmployeeLeaveSummaryProvider.php
index 6a98f7a..7e3546d 100644
--- a/src/State/EmployeeLeaveSummaryProvider.php
+++ b/src/State/EmployeeLeaveSummaryProvider.php
@@ -632,14 +632,27 @@ final readonly class EmployeeLeaveSummaryProvider implements ProviderInterface
             }
 
             for ($cursor = $rangeStart; $cursor <= $rangeEnd; $cursor = $cursor->modify('+1 day')) {
+                $dayOfWeek = (int) $cursor->format('N');
+
+                if ($splitSaturdays) {
+                    // Mode CDI/CDD : dimanche ignoré, samedi compté séparément.
+                    if (7 === $dayOfWeek) {
+                        continue;
+                    }
+                } else {
+                    // Mode forfait : seuls les jours ouvrés (lun-ven) comptent.
+                    if ($dayOfWeek >= 6) {
+                        continue;
+                    }
+                }
+
                 [$am, $pm] = $this->resolveSegmentsForDate($absence, $cursor->format('Y-m-d'));
                 $dayAmount = ($am ? 0.5 : 0.0) + ($pm ? 0.5 : 0.0);
                 if ($dayAmount <= 0.0) {
                     continue;
                 }
 
-                $isSaturday = $splitSaturdays && '6' === $cursor->format('N');
-                if ($isSaturday && $splitSaturdays) {
+                if ($splitSaturdays && 6 === $dayOfWeek) {
                     $takenSaturdays += $dayAmount;
                 } else {
                     $takenDays += $dayAmount;