diff --git a/test/err/bitfield-named-zero-width.c b/test/err/bitfield-named-zero-width.c
index 323c3d49c..108b195d0 100644
--- a/test/err/bitfield-named-zero-width.c
+++ b/test/err/bitfield-named-zero-width.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/err/bitfield-negative-width.c b/test/err/bitfield-negative-width.c
index 5b14ea7e3..a90199f38 100644
--- a/test/err/bitfield-negative-width.c
+++ b/test/err/bitfield-negative-width.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/err/bitfield-too-wide.c b/test/err/bitfield-too-wide.c
index da7f69dc2..424cf9c05 100644
--- a/test/err/bitfield-too-wide.c
+++ b/test/err/bitfield-too-wide.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/err/bug1047.c b/test/err/bug1047.c
index 4020189e0..3f1d3cf63 100644
--- a/test/err/bug1047.c
+++ b/test/err/bug1047.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/err/staticassert-nomsg.c b/test/err/staticassert-nomsg.c
index e0a1ede69..8cdcb09a4 100644
--- a/test/err/staticassert-nomsg.c
+++ b/test/err/staticassert-nomsg.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/err/staticassert.c b/test/err/staticassert.c
index be991e744..60cb37529 100644
--- a/test/err/staticassert.c
+++ b/test/err/staticassert.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/val/bitfield.c b/test/val/bitfield.c
index cf96d8929..939d90dff 100644
--- a/test/val/bitfield.c
+++ b/test/val/bitfield.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/val/bug1095.c b/test/val/bug1095.c
index 6872d151c..cecbf0329 100644
--- a/test/val/bug1095.c
+++ b/test/val/bug1095.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/val/plain-int-bitfield.c b/test/val/plain-int-bitfield.c
index 75e65590c..4d158eca9 100644
--- a/test/val/plain-int-bitfield.c
+++ b/test/val/plain-int-bitfield.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages
diff --git a/test/val/staticassert.c b/test/val/staticassert.c
index a31a9e646..e43eeec8d 100644
--- a/test/val/staticassert.c
+++ b/test/val/staticassert.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 the cc65 authors
+  Copyright 2020 The cc65 Authors
 
   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any damages