diff --git a/.travis.yml b/.travis.yml
index 2106282..cce69c8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,14 @@
 language: go
-sudo: false
 go:
-  - tip
+  - "1.11.x"
+
+go_import_path: go.dedis.ch/fixbuf
 
 install:
   - go get -t ./...
   - go get golang.org/x/tools/cmd/cover
   - go get github.com/mattn/goveralls
 
-
 script:
   - $HOME/gopath/bin/goveralls -service=travis-ci
 
diff --git a/encoding.go b/encoding.go
index 2ba1901..1f3bbbd 100644
--- a/encoding.go
+++ b/encoding.go
@@ -1,4 +1,4 @@
-package fixbuf
+package fixbuf // import "go.dedis.ch/fixbuf"
 
 import (
 	"encoding/binary"
diff --git a/fuzz.go b/fuzz.go
index 85c4252..afc5183 100644
--- a/fuzz.go
+++ b/fuzz.go
@@ -1,11 +1,14 @@
 // To fuzz-test this package:
 //
-//   $ go get github.com/dvyukov/go-fuzz/go-fuzz
-//   $ go get github.com/dvyukov/go-fuzz/go-fuzz-build
-//   $ go-fuzz-build github.com/dedis/fixbuf
+//   $ go get -u github.com/dvyukov/go-fuzz/go-fuzz
+//   $ go get -u github.com/dvyukov/go-fuzz/go-fuzz-build
+//   $ cd `go env GOPATH`
+//   $ go-fuzz-build go.dedis.ch/fixbuf
 //   $ go-fuzz -workdir=workdir -bin fixbuf-fuzz.zip
 //
 // See also: https://medium.com/@dgryski/go-fuzz-github-com-arolek-ase-3c74d5a3150c
+// The cd to $GOPATH is required as a workaround for:
+// https://github.com/dvyukov/go-fuzz/issues/195
 
 // +build gofuzz
 
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..4a347bd
--- /dev/null
+++ b/go.mod
@@ -0,0 +1 @@
+module go.dedis.ch/fixbuf