diff --git a/Display.cpp b/Display.cpp
index f4a9005..11e8242 100644
--- a/Display.cpp
+++ b/Display.cpp
@@ -350,7 +350,7 @@ bool less (sf::CircleShape a, sf::CircleShape b)
     }
 
     // compute the cross product of vectors (center -> a) x (center -> b)
-    int det = (ax - centerx) * (by - centery) - (bx - centerx) * (ay - centery);
+    int det = (int)((ax - centerx) * (by - centery) - (bx - centerx) * (ay - centery));
     if (det < 0)
         return true;
     if (det > 0)
@@ -358,8 +358,8 @@ bool less (sf::CircleShape a, sf::CircleShape b)
 
     // points a and b are on the same line from the center
     // check which point is closer to the center
-    int d1 = (ax - centerx) * (ax - centerx) + (ay - centery) * (ay - centery);
-    int d2 = (bx - centerx) * (bx - centerx) + (by - centery) * (by - centery);
+    int d1 = (int)((ax - centerx) * (ax - centerx) + (ay - centery) * (ay - centery));
+    int d2 = (int)((bx - centerx) * (bx - centerx) + (by - centery) * (by - centery));
     return d1 > d2;
 }