diff --git a/router.py b/router.py
index 211cb61..a2ec896 100644
--- a/router.py
+++ b/router.py
@@ -149,7 +149,7 @@ class Pcb():
 
 	def print_pcb(self):
 		scale = 1.0 / self.resolution
-		print [self.width * scale, self.height * scale, self.depth]
+		print([self.width * scale, self.height * scale, self.depth])
 		sys.stdout.flush()
 
 	def print_stats(self):