diff --git a/rats.py b/rats.py
index e222bc4..9c813bc 100644
--- a/rats.py
+++ b/rats.py
@@ -66,7 +66,7 @@ class MiceMaze:
         print(key)
         if key == "Q":
             self.engine.window.close()
-        elif key == "R":
+        elif key == "Return":
             self.new_rat()
         elif key == "D":
             if self.units: