diff --git a/vpet.py b/vpet.py
index ad3505b..1895bbe 100644
--- a/vpet.py
+++ b/vpet.py
@@ -33,7 +33,7 @@ class Pet:
         self.happiness = max(0, self.happiness - 5)
         self.energy = max(0, self.energy - 3)
         self.hunger = min(100, self.hunger + 2)
-        self.hygiene = max(0, self.hygiene + 4)
+        self.hygiene = max(0, self.hygiene - 4)
 
     def sleep(self):
         self.energy = 100