diff --git a/fuseutil/unmount.go b/unmount.go
similarity index 95%
rename from fuseutil/unmount.go
rename to unmount.go
index b93c614..2c50925 100644
--- a/fuseutil/unmount.go
+++ b/unmount.go
@@ -18,6 +18,6 @@ import "github.com/jacobsa/bazilfuse"
 
 // Attempt to unmount the file system whose mount point is the supplied
 // directory.
-func Unmount(dir string) {
+func Unmount(dir string) error {
 	return bazilfuse.Unmount(dir)
 }