diff --git a/test/err/bitfield-named-zero-width.c b/test/err/bitfield-named-zero-width.c
index b9b9db88d..323c3d49c 100644
--- a/test/err/bitfield-named-zero-width.c
+++ b/test/err/bitfield-named-zero-width.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 dd83b3fc4..5b14ea7e3 100644
--- a/test/err/bitfield-negative-width.c
+++ b/test/err/bitfield-negative-width.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 6c9c229fc..da7f69dc2 100644
--- a/test/err/bitfield-too-wide.c
+++ b/test/err/bitfield-too-wide.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 3fb11250f..4020189e0 100644
--- a/test/err/bug1047.c
+++ b/test/err/bug1047.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 df9bab6d8..be991e744 100644
--- a/test/err/staticassert.c
+++ b/test/err/staticassert.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 67747ed5b..cf96d8929 100644
--- a/test/val/bitfield.c
+++ b/test/val/bitfield.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 8c184cd1d..6872d151c 100644
--- a/test/val/bug1095.c
+++ b/test/val/bug1095.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 afc7121bb..75e65590c 100644
--- a/test/val/plain-int-bitfield.c
+++ b/test/val/plain-int-bitfield.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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 5d44fed6b..a31a9e646 100644
--- a/test/val/staticassert.c
+++ b/test/val/staticassert.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2020 Google LLC
+  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