diff --git a/__init__.py b/__init__.py
index 5ab1a20..c91ba0a 100755
--- a/__init__.py
+++ b/__init__.py
@@ -95,11 +95,11 @@ class Scoreboard:
         
     def decrease_score(self, points=1):
         """Decrease the current score."""
-        self.currentScore -= points
+        self.currentScore -= int(points)
         
     def increase_score(self, points=1):
         """Increase the current score."""
-        self.currentScore += points
+        self.currentScore += int(points)
         
     def check_high_score(self):
         """Check if current score qualifies as a high score.