diff --git a/boxes/generators/bintray.py b/boxes/generators/bintray.py
index ab912df..16fe56e 100644
--- a/boxes/generators/bintray.py
+++ b/boxes/generators/bintray.py
@@ -105,7 +105,7 @@ class BinTray(Boxes):
         h = self.h
         hi = self.hi = h
         t = self.thickness
-
+        self.front = min(self.front, 0.999)
 
         self.addPart(BinFrontEdge(self, self))
         self.addPart(BinFrontSideEdge(self, self))