diff --git a/code/ryzom/server/src/entities_game_service/player_manager/character.cpp b/code/ryzom/server/src/entities_game_service/player_manager/character.cpp
index 0288a67ef..f45122431 100644
--- a/code/ryzom/server/src/entities_game_service/player_manager/character.cpp
+++ b/code/ryzom/server/src/entities_game_service/player_manager/character.cpp
@@ -5660,7 +5660,8 @@ bool CCharacter::onAnimalHungry( uint petIndex, bool justBecameHungry )
 			{
 				// Consume to full satiety (last useful unit is entirely consumed)
 				animal.Satiety = animal.MaxSatiety;
-				nbUnits = (sint)((caloriesNeeded / caloriesPerUnit) + 1);
+				nbUnits = (sint)ceil(caloriesNeeded / caloriesPerUnit);
+
 			}
 			nbItemsLeftToConsume -= nbUnits;