diff --git a/app/Domain/Actions/VacationRequest/CreateAction.php b/app/Domain/Actions/VacationRequest/CreateAction.php
index 43d9736..b569954 100644
--- a/app/Domain/Actions/VacationRequest/CreateAction.php
+++ b/app/Domain/Actions/VacationRequest/CreateAction.php
@@ -19,7 +19,7 @@ class CreateAction
         protected VacationRequestStateManager $stateManager,
         protected VacationRequestValidator $vacationRequestValidator,
         protected VacationTypeConfigRetriever $configRetriever,
-        protected WorkDaysCalculator $vacationDaysCalculator,
+        protected WorkDaysCalculator $workDaysCalculator,
         protected WaitForTechApprovalAction $waitForTechApprovalAction,
         protected WaitForAdminApprovalAction $waitForAdminApprovalAction,
         protected ApproveAction $approveAction,
@@ -52,7 +52,7 @@ class CreateAction
 
         $vacationRequest->save();
 
-        $days = $this->vacationDaysCalculator->calculateDays($vacationRequest->from, $vacationRequest->to);
+        $days = $this->workDaysCalculator->calculateDays($vacationRequest->from, $vacationRequest->to);
 
         foreach ($days as $day) {
             $vacationRequest->vacations()->create([
diff --git a/app/Domain/Validation/Rules/DoesNotExceedLimitRule.php b/app/Domain/Validation/Rules/DoesNotExceedLimitRule.php
index 780b749..c0ec8df 100644
--- a/app/Domain/Validation/Rules/DoesNotExceedLimitRule.php
+++ b/app/Domain/Validation/Rules/DoesNotExceedLimitRule.php
@@ -18,7 +18,7 @@ class DoesNotExceedLimitRule implements VacationRequestRule
 {
     public function __construct(
         protected VacationTypeConfigRetriever $configRetriever,
-        protected WorkDaysCalculator $vacationDaysCalculator,
+        protected WorkDaysCalculator $workDaysCalculator,
     ) {}
 
     public function check(VacationRequest $vacationRequest): bool
@@ -29,7 +29,7 @@ class DoesNotExceedLimitRule implements VacationRequestRule
 
         $limit = $this->getUserVacationLimit($vacationRequest->user, $vacationRequest->yearPeriod);
         $vacationDays = $this->getVacationDaysWithLimit($vacationRequest->user, $vacationRequest->yearPeriod);
-        $estimatedDays = $this->vacationDaysCalculator
+        $estimatedDays = $this->workDaysCalculator
             ->calculateDays($vacationRequest->from, $vacationRequest->to)
             ->count();
 
diff --git a/app/Domain/Validation/Rules/MinimumOneVacationDayRule.php b/app/Domain/Validation/Rules/MinimumOneVacationDayRule.php
index f32a6a3..5e78a75 100644
--- a/app/Domain/Validation/Rules/MinimumOneVacationDayRule.php
+++ b/app/Domain/Validation/Rules/MinimumOneVacationDayRule.php
@@ -10,12 +10,12 @@ use Toby\Eloquent\Models\VacationRequest;
 class MinimumOneVacationDayRule implements VacationRequestRule
 {
     public function __construct(
-        protected WorkDaysCalculator $vacationDaysCalculator,
+        protected WorkDaysCalculator $workDaysCalculator,
     ) {}
 
     public function check(VacationRequest $vacationRequest): bool
     {
-        return $this->vacationDaysCalculator
+        return $this->workDaysCalculator
             ->calculateDays($vacationRequest->from, $vacationRequest->to)
             ->isNotEmpty();
     }