diff --git a/shake-ats.cabal b/shake-ats.cabal
--- a/shake-ats.cabal
+++ b/shake-ats.cabal
@@ -1,5 +1,5 @@
 name:                shake-ats
-version:             0.2.0.1
+version:             0.2.0.4
 synopsis:            Utilities for building ATS projects with shake
 description:         Various helper functions for building [ATS](http://www.ats-lang.org/) with the [shake](http://shakebuild.com/) library
 homepage:            https://github.com/vmchale/shake-ats#readme
@@ -11,7 +11,6 @@
 category:            Development, Build, ATS
 build-type:          Simple
 extra-doc-files:     README.md
-extra-source-files:  stack.yaml
 cabal-version:       1.18
 
 Flag development {
diff --git a/src/Development/Shake/ATS.hs b/src/Development/Shake/ATS.hs
--- a/src/Development/Shake/ATS.hs
+++ b/src/Development/Shake/ATS.hs
@@ -48,7 +48,7 @@
     h <- patsHome v'
     let home = h ++ "lib/ats2-postiats-" ++ show v
     let atsArgs = [EchoStderr False, AddEnv "PATSHOME" home]
-        patsc = "patsopt"
+        patsc = home ++ "/bin/patsopt"
     command atsArgs patsc ["--output", out, "-dd", sourceFile, "-cc"]
 
 gcFlag :: Bool -> String
diff --git a/stack.yaml b/stack.yaml
deleted file mode 100644
--- a/stack.yaml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-resolver: lts-10.3
-packages:
-  - '.'
-extra-deps: []
-flags:
-  shake-ats:
-    development: false
-extra-package-dbs: []