diff --git a/app/widget/timelineview/timelineview.cpp b/app/widget/timelineview/timelineview.cpp
index bb5d7b2c5..29132db28 100644
--- a/app/widget/timelineview/timelineview.cpp
+++ b/app/widget/timelineview/timelineview.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #include "timelineview.h"
 
 #include "timelineviewclipitem.h"
diff --git a/app/widget/timelineview/timelineview.h b/app/widget/timelineview/timelineview.h
index 21b930912..fef025369 100644
--- a/app/widget/timelineview/timelineview.h
+++ b/app/widget/timelineview/timelineview.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #ifndef TIMELINEVIEW_H
 #define TIMELINEVIEW_H
 
diff --git a/app/widget/timelineview/timelineviewclipitem.cpp b/app/widget/timelineview/timelineviewclipitem.cpp
index cf2e15bc0..2f5a2c024 100644
--- a/app/widget/timelineview/timelineviewclipitem.cpp
+++ b/app/widget/timelineview/timelineviewclipitem.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #include "timelineviewclipitem.h"
 
 #include <QBrush>
diff --git a/app/widget/timelineview/timelineviewclipitem.h b/app/widget/timelineview/timelineviewclipitem.h
index 2240327a4..405820b62 100644
--- a/app/widget/timelineview/timelineviewclipitem.h
+++ b/app/widget/timelineview/timelineviewclipitem.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #ifndef TIMELINEVIEWCLIPITEM_H
 #define TIMELINEVIEWCLIPITEM_H
 
diff --git a/app/widget/timelineview/timelineviewghostitem.cpp b/app/widget/timelineview/timelineviewghostitem.cpp
index 6e2551cca..24123b249 100644
--- a/app/widget/timelineview/timelineviewghostitem.cpp
+++ b/app/widget/timelineview/timelineviewghostitem.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #include "timelineviewghostitem.h"
 
 TimelineViewGhostItem::TimelineViewGhostItem()
diff --git a/app/widget/timelineview/timelineviewghostitem.h b/app/widget/timelineview/timelineviewghostitem.h
index 9c74bbb3a..9450eeac7 100644
--- a/app/widget/timelineview/timelineviewghostitem.h
+++ b/app/widget/timelineview/timelineviewghostitem.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #ifndef TIMELINEVIEWGHOSTITEM_H
 #define TIMELINEVIEWGHOSTITEM_H
 
diff --git a/app/widget/timeruler/timeruler.cpp b/app/widget/timeruler/timeruler.cpp
index 3942df09c..09c060844 100644
--- a/app/widget/timeruler/timeruler.cpp
+++ b/app/widget/timeruler/timeruler.cpp
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #include "timeruler.h"
 
 #include <QDebug>
diff --git a/app/widget/timeruler/timeruler.h b/app/widget/timeruler/timeruler.h
index 4bc5085ba..ce3f5f357 100644
--- a/app/widget/timeruler/timeruler.h
+++ b/app/widget/timeruler/timeruler.h
@@ -1,3 +1,23 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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/>.
+
+***/
+
 #ifndef TIMERULER_H
 #define TIMERULER_H