diff --git a/atari/gemtk/aestabs.c b/atari/gemtk/aestabs.c
index 414d5c290..519676514 100644
--- a/atari/gemtk/aestabs.c
+++ b/atari/gemtk/aestabs.c
@@ -1,3 +1,21 @@
+/*
+ * Copyright 2013 Ole Loots <ole@monochrom.net>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdlib.h>
 #include <assert.h>
 #include <gem.h>
diff --git a/atari/gemtk/msgbox.c b/atari/gemtk/msgbox.c
index 150bcc7f5..050b139f8 100644
--- a/atari/gemtk/msgbox.c
+++ b/atari/gemtk/msgbox.c
@@ -1,3 +1,21 @@
+/*
+ * Copyright 2013 Ole Loots <ole@monochrom.net>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/atari/gemtk/utils.c b/atari/gemtk/utils.c
index fae9d749b..f080e307c 100644
--- a/atari/gemtk/utils.c
+++ b/atari/gemtk/utils.c
@@ -1,3 +1,21 @@
+/*
+ * Copyright 2013 Ole Loots <ole@monochrom.net>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdlib.h>
 #include <stdint.h>
 #include <stdbool.h>