diff --git a/auto/doc.go b/auto/doc.go
index 66c06cbb1..759464212 100644
--- a/auto/doc.go
+++ b/auto/doc.go
@@ -1,2 +1,6 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 // Package auto contains auto generated files for web assets.
 package auto
diff --git a/check-contrib.sh b/check-contrib.sh
index 2e300652d..094bbf9dd 100755
--- a/check-contrib.sh
+++ b/check-contrib.sh
@@ -14,7 +14,16 @@ no-docs-typos() {
 	grep -v f1120d7aa936c0658429edef0037792520b46334
 }
 
-for email in $(missing-contribs) ; do
-	git log --author="$email" --format="%H %ae %s" | no-docs-typos
-done
+print-missing-contribs() {
+	for email in $(missing-contribs) ; do
+		git log --author="$email" --format="%H %ae %s" | no-docs-typos
+	done
+}
+
+print-missing-copyright() {
+	find . -name \*.go | xargs grep -L 'Copyright (C)' | grep -v Godeps
+}
+
+print-missing-contribs
+print-missing-copyright
 
diff --git a/cmd/syncthing/gui_csrf.go b/cmd/syncthing/gui_csrf.go
index b31e99935..f5eaad833 100644
--- a/cmd/syncthing/gui_csrf.go
+++ b/cmd/syncthing/gui_csrf.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import (
diff --git a/cmd/syncthing/memsize_darwin.go b/cmd/syncthing/memsize_darwin.go
index 8bbbf99d0..3f7ea0077 100644
--- a/cmd/syncthing/memsize_darwin.go
+++ b/cmd/syncthing/memsize_darwin.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import (
diff --git a/cmd/syncthing/memsize_linux.go b/cmd/syncthing/memsize_linux.go
index 48c20fc85..d9fc07545 100644
--- a/cmd/syncthing/memsize_linux.go
+++ b/cmd/syncthing/memsize_linux.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import (
diff --git a/cmd/syncthing/memsize_solaris.go b/cmd/syncthing/memsize_solaris.go
index 9273879e9..262f93671 100644
--- a/cmd/syncthing/memsize_solaris.go
+++ b/cmd/syncthing/memsize_solaris.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 // +build solaris
 
 package main
diff --git a/cmd/syncthing/memsize_unimpl.go b/cmd/syncthing/memsize_unimpl.go
index b896f895b..5c5f1b426 100644
--- a/cmd/syncthing/memsize_unimpl.go
+++ b/cmd/syncthing/memsize_unimpl.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 // +build freebsd
 
 package main
diff --git a/cmd/syncthing/memsize_windows.go b/cmd/syncthing/memsize_windows.go
index a71a5067c..0dee64e75 100644
--- a/cmd/syncthing/memsize_windows.go
+++ b/cmd/syncthing/memsize_windows.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import (
diff --git a/cmd/syncthing/monitor.go b/cmd/syncthing/monitor.go
index 9c5c11bd3..0f3cbf2ce 100644
--- a/cmd/syncthing/monitor.go
+++ b/cmd/syncthing/monitor.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import (
diff --git a/cmd/syncthing/usage_report.go b/cmd/syncthing/usage_report.go
index 47f6a48e7..2feb976f7 100644
--- a/cmd/syncthing/usage_report.go
+++ b/cmd/syncthing/usage_report.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import (
diff --git a/files/filenames_darwin.go b/files/filenames_darwin.go
index 802ffa2f0..ce08500be 100644
--- a/files/filenames_darwin.go
+++ b/files/filenames_darwin.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package files
 
 import "code.google.com/p/go.text/unicode/norm"
diff --git a/files/filenames_unix.go b/files/filenames_unix.go
index c7baa6a88..231d8bc20 100644
--- a/files/filenames_unix.go
+++ b/files/filenames_unix.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 // +build !windows,!darwin
 
 package files
diff --git a/files/filenames_windows.go b/files/filenames_windows.go
index bf3f99a70..6161180f4 100644
--- a/files/filenames_windows.go
+++ b/files/filenames_windows.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package files
 
 import (
diff --git a/files/leveldb.go b/files/leveldb.go
index f71579fd7..7691b75da 100644
--- a/files/leveldb.go
+++ b/files/leveldb.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package files
 
 import (
diff --git a/luhn/luhn.go b/luhn/luhn.go
index fe90c29a6..26a0b9228 100644
--- a/luhn/luhn.go
+++ b/luhn/luhn.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 // Package luhn generates and validates Luhn mod N check digits.
 package luhn
 
diff --git a/luhn/luhn_test.go b/luhn/luhn_test.go
index 2313baaa1..feb7ad389 100644
--- a/luhn/luhn_test.go
+++ b/luhn/luhn_test.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package luhn_test
 
 import (
diff --git a/protocol/nodeid.go b/protocol/nodeid.go
index ef479ec3c..b3151d40b 100644
--- a/protocol/nodeid.go
+++ b/protocol/nodeid.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package protocol
 
 import (
diff --git a/protocol/nodeid_test.go b/protocol/nodeid_test.go
index ca9950d14..5b861b6de 100644
--- a/protocol/nodeid_test.go
+++ b/protocol/nodeid_test.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package protocol
 
 import "testing"
diff --git a/upnp/upnp_test.go b/upnp/upnp_test.go
index 3d9f6e942..95ccdd9b0 100644
--- a/upnp/upnp_test.go
+++ b/upnp/upnp_test.go
@@ -1,3 +1,7 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
 package upnp
 
 import (