diff --git a/build.py b/build.py
index 08635c4627a02cd8edf3cc46c2d2bb773426599e..7d180b44d6afeca3496131194ba5ee7441958301 100644
--- a/build.py
+++ b/build.py
@@ -9,7 +9,7 @@ from argparse import ArgumentParser
 
 # Initialize
 try:
-    token = os.environ['BINSTAR_KEYN']
+    token = os.environ['BINSTAR_KEY']
 except KeyError:
     sys.exit("Must set $BINSTAR_KEY")
 binstar = sh.Command('binstar').bake(t=token)