diff --git a/matlab/swz/c-code/mex/mex_top_level.c b/matlab/swz/c-code/mex/mex_top_level.c
index 413ddde3a..5145a7361 100644
--- a/matlab/swz/c-code/mex/mex_top_level.c
+++ b/matlab/swz/c-code/mex/mex_top_level.c
@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2010 Dynare Team
+ *
+ * This file is part of Dynare.
+ *
+ * Dynare 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.
+ *
+ * Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
diff --git a/matlab/swz/c-code/mex/modify_for_mex.c b/matlab/swz/c-code/mex/modify_for_mex.c
index e7402557b..b36b89028 100644
--- a/matlab/swz/c-code/mex/modify_for_mex.c
+++ b/matlab/swz/c-code/mex/modify_for_mex.c
@@ -1,3 +1,21 @@
+/*
+ * Copyright (C) 2010 Dynare Team
+ *
+ * This file is part of Dynare.
+ *
+ * Dynare 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.
+ *
+ * Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/matlab/swz/c-code/mex/modify_for_mex.h b/matlab/swz/c-code/mex/modify_for_mex.h
index 561dcb965..f0fe5edf6 100644
--- a/matlab/swz/c-code/mex/modify_for_mex.h
+++ b/matlab/swz/c-code/mex/modify_for_mex.h
@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2010 Dynare Team
+ *
+ * This file is part of Dynare.
+ *
+ * Dynare 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.
+ *
+ * Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _MEXMOD
 #define _MEXMOD
 void swz_exit(int status);