diff --git a/Procfile b/Procfile
index 63d5668a..90f92ce0 100644
--- a/Procfile
+++ b/Procfile
@@ -1,4 +1,4 @@
 web: livebook
 webpack: $(npm bin)/webpack --watch
-pypack: ./pypack --watch
+packpy: ./packpy --watch
 gopack: while true; do  make -s ; sleep 5; done
diff --git a/pypack b/packpy
similarity index 100%
rename from pypack
rename to packpy
diff --git a/setup b/setup
index 6ea08e3e..446e266a 100755
--- a/setup
+++ b/setup
@@ -1,7 +1,7 @@
 #!/bin/bash -x
 
 npm install
-./pypack
+./packpy
 go get -u github.com/ddollar/forego
 make