diff --git a/app/src/main/java/ru/dragonestia/picker/repository/impl/picker/ItemWrapper.java b/app/src/main/java/ru/dragonestia/picker/repository/impl/picker/ItemWrapper.java
index 1fb8ef7..d516dd2 100644
--- a/app/src/main/java/ru/dragonestia/picker/repository/impl/picker/ItemWrapper.java
+++ b/app/src/main/java/ru/dragonestia/picker/repository/impl/picker/ItemWrapper.java
@@ -19,7 +19,7 @@ public interface ItemWrapper<ITEM> {
     }
 
     default boolean canAddUnits(int amount) {
-        return maxUnits() == SlotLimit.UNLIMITED_VALUE || countUnits() + amount < maxUnits();
+        return maxUnits() == SlotLimit.UNLIMITED_VALUE || countUnits() + amount <= maxUnits();
     }
 
     ITEM getItem();
diff --git a/app/src/test/java/ru/dragonestia/picker/picker/RoundRobinTests.java b/app/src/test/java/ru/dragonestia/picker/picker/RoundRobinTests.java
index cc44a2d..467a53b 100644
--- a/app/src/test/java/ru/dragonestia/picker/picker/RoundRobinTests.java
+++ b/app/src/test/java/ru/dragonestia/picker/picker/RoundRobinTests.java
@@ -39,7 +39,6 @@ public class RoundRobinTests {
             var slots = room.getSlots();
             var users = userRepository.usersOf(room);
             Assertions.assertTrue(slots.isUnlimited() || slots.getSlots() >= users.size()); // check slots limitation
-            System.out.printf("%s/%s%n", users.size(), slots.getSlots());
 
             Assertions.assertEquals("room-2-0", room.getId());
         }