diff --git a/shake-ext.cabal b/shake-ext.cabal
--- a/shake-ext.cabal
+++ b/shake-ext.cabal
@@ -1,5 +1,5 @@
 name:                shake-ext
-version:             1.2.0.1
+version:             1.2.0.2
 synopsis:            Helper functions for linting with shake 
 description:         This package provides several linters out of the box, as well as functionality for building ATS source files with [shake](http://shakebuild.com/).
 homepage:            https://hub.darcs.net/vmchale/shake-ext
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
@@ -68,10 +68,10 @@
         need sources
         copySources v v' sources
         cmd_ ["mkdir", "-p", dropDirectory1 out]
-
+        path <- fromMaybe "" <$> getEnv "PATH"
         let toLibs = fmap ("-l" <>)
         command
-            [EchoStderr False, AddEnv "PATSHOME" home]
+            [EchoStderr False, AddEnv "PATSHOME" home, AddEnv "PATH" (home ++ ":" ++ path)]
             (home ++ "/bin/patscc")
             ([sourceFile, "-atsccomp", "gcc -flto -I" ++ h ++ "/ccomp/runtime/ -I" ++ h, gcFlag gc, "-o", out, "-cleanaft", "-O2", "-mtune=native", "-flto"] <> toLibs libs)