diff --git a/src/spek-source.vala b/src/spek-source.vala
index 9147e82..a360a3d 100644
--- a/src/spek-source.vala
+++ b/src/spek-source.vala
@@ -1,3 +1,21 @@
+/* spek-source.vala
+ *
+ * Copyright (C) 2010  Alexander Kojevnikov <alexander@kojevnikov.com>
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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/>.
+ */
+
 using Gst;
 
 namespace Spek {
diff --git a/src/spek-spectrogram.vala b/src/spek-spectrogram.vala
index 1fa7ac6..b8441f5 100644
--- a/src/spek-spectrogram.vala
+++ b/src/spek-spectrogram.vala
@@ -1,3 +1,21 @@
+/* spek-spectrogram.vala
+ *
+ * Copyright (C) 2010  Alexander Kojevnikov <alexander@kojevnikov.com>
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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/>.
+ */
+
 using Cairo;
 using Gdk;
 using Gtk;
diff --git a/src/spek-window.vala b/src/spek-window.vala
index 5a652e3..74ec8e5 100644
--- a/src/spek-window.vala
+++ b/src/spek-window.vala
@@ -1,3 +1,21 @@
+/* spek-window.vala
+ *
+ * Copyright (C) 2010  Alexander Kojevnikov <alexander@kojevnikov.com>
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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/>.
+ */
+
 using Gdk;
 using Gtk;
 
diff --git a/src/spek.vala b/src/spek.vala
index 6325286..0834b61 100644
--- a/src/spek.vala
+++ b/src/spek.vala
@@ -1,3 +1,21 @@
+/* spek.vala
+ *
+ * Copyright (C) 2010  Alexander Kojevnikov <alexander@kojevnikov.com>
+ *
+ * This program 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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/>.
+ */
+
 using Spek;
 
 int main (string[] args) {
@@ -7,7 +25,7 @@ int main (string[] args) {
 
 	Gtk.init (ref args);
 	Gst.init (ref args);
-	var window = new Spek.Window ();
+	var window = new Window ();
 	Gtk.main ();
 	window.destroy ();
 	return 0;