diff --git a/include/bsd/bsd.h b/include/bsd/bsd.h
index 0d81a3c..2956dc6 100644
--- a/include/bsd/bsd.h
+++ b/include/bsd/bsd.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2006 Guillem Jover
+ * Copyright © 2004, 2005, 2006 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/bsd/cdefs.h b/include/bsd/cdefs.h
index 3b6446e..9d5920c 100644
--- a/include/bsd/cdefs.h
+++ b/include/bsd/cdefs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2006 Guillem Jover
+ * Copyright © 2004, 2005, 2006 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/bsd/err.h b/include/bsd/err.h
index fd23bfa..b8f9c82 100644
--- a/include/bsd/err.h
+++ b/include/bsd/err.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Robert Millan
+ * Copyright © 2006 Robert Millan
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/bsd/getopt.h b/include/bsd/getopt.h
index 2f772f0..4d68b55 100644
--- a/include/bsd/getopt.h
+++ b/include/bsd/getopt.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Robert Millan
+ * Copyright © 2006 Robert Millan
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/bsd/inet.h b/include/bsd/inet.h
index d9a63a5..14ea256 100644
--- a/include/bsd/inet.h
+++ b/include/bsd/inet.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Guillem Jover
+ * Copyright © 2008 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/bsd/random.h b/include/bsd/random.h
index 9999a8d..578c9be 100644
--- a/include/bsd/random.h
+++ b/include/bsd/random.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005 Guillem Jover
+ * Copyright © 2004, 2005 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/bsd/stdlib.h b/include/bsd/stdlib.h
index 16376cb..b01d970 100644
--- a/include/bsd/stdlib.h
+++ b/include/bsd/stdlib.h
@@ -1,7 +1,7 @@
 /*
- * Copyright (C) 2005 Aurelien Jarno
- * Copyright (C) 2006 Robert Millan
- * Copyright (C) 2008 Guillem Jover
+ * Copyright © 2005 Aurelien Jarno
+ * Copyright © 2006 Robert Millan
+ * Copyright © 2008 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/bsd/string.h b/include/bsd/string.h
index 185a42d..e660369 100644
--- a/include/bsd/string.h
+++ b/include/bsd/string.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2009 Guillem Jover
+ * Copyright © 2004, 2005, 2009 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/include/nlist.h b/include/nlist.h
index 95af7d8..0f2fa20 100644
--- a/include/nlist.h
+++ b/include/nlist.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009 Guillem Jover
+ * Copyright © 2009 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/src/bsd_getopt.c b/src/bsd_getopt.c
index 73edae5..1c878ed 100644
--- a/src/bsd_getopt.c
+++ b/src/bsd_getopt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Robert Millan
+ * Copyright © 2006 Robert Millan
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/src/err.c b/src/err.c
index 7317b92..c7bb416 100644
--- a/src/err.c
+++ b/src/err.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Robert Millan
+ * Copyright © 2006 Robert Millan
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/src/fgetln.c b/src/fgetln.c
index 33b261b..6e3d000 100644
--- a/src/fgetln.c
+++ b/src/fgetln.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (C) 2005 Hector Garcia Alvarez
- * Copyright (C) 2005, 2008, 2009 Guillem Jover
+ * Copyright © 2005 Hector Garcia Alvarez
+ * Copyright © 2005, 2008, 2009 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/src/local-elf.h b/src/local-elf.h
index 1ac0fc8..b9484b6 100644
--- a/src/local-elf.h
+++ b/src/local-elf.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009 Guillem Jover
+ * Copyright © 2009 Guillem Jover
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/src/progname.c b/src/progname.c
index 69a060a..9415f17 100644
--- a/src/progname.c
+++ b/src/progname.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006 Robert Millan
+ * Copyright © 2006 Robert Millan
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions