diff --git a/service/iss/en.iss b/service/iss/en.iss
index 46f259a05ba..a95d497da8f 100644
--- a/service/iss/en.iss
+++ b/service/iss/en.iss
@@ -121,7 +121,7 @@ begin
   AddonCheckBox.Caption := 'Install Melezh';
   AddonCheckBox.Checked := True;
 
-  if ShouldInstallAddon then
+  if ShouldInstallAddon() then
   begin
     ExtractTemporaryFile('melezh.bmp'); // Явно извлекаем файл
     with TBitmapImage.Create(WizardForm) do
diff --git a/service/iss/ru.iss b/service/iss/ru.iss
index da20056da7d..b777ab1d403 100644
--- a/service/iss/ru.iss
+++ b/service/iss/ru.iss
@@ -123,7 +123,7 @@ begin
   AddonCheckBox.Caption := 'Установить Melezh';
   AddonCheckBox.Checked := True;
 
-  if ShouldInstallAddon then
+  if ShouldInstallAddon() then
   begin
     ExtractTemporaryFile('melezh.bmp'); // Явно извлекаем файл
     with TBitmapImage.Create(WizardForm) do