diff --git a/tests/cc-compat.sh b/tests/cc-compat.sh
index b5762c8..e146e56 100755
--- a/tests/cc-compat.sh
+++ b/tests/cc-compat.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (c) 2023 Emma Tebibyte <emma@tebibyte.media>
+# Copyright (c) 2023–2024 Emma Tebibyte <emma@tebibyte.media>
 # SPDX-License-Identifier: FSFAP
 #
 # Copying and distribution of this file, with or without modification, are
diff --git a/tests/posix-compat.sh b/tests/posix-compat.sh
index 2378a01..1e98d7b 100755
--- a/tests/posix-compat.sh
+++ b/tests/posix-compat.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (c) 2023 Emma Tebibyte <emma@tebibyte.media>
+# Copyright (c) 2023–2024 Emma Tebibyte <emma@tebibyte.media>
 # SPDX-License-Identifier: FSFAP
 #
 # Copying and distribution of this file, with or without modification, are
@@ -9,7 +9,7 @@
 
 set -e
 
-if ! ls GNUmakefile >/dev/null 2>&1
+if ! ls Makefile >/dev/null 2>&1
 then
 	printf '%s: Run this script in the root of the project.\n' "$0" 1>&2 
 	exit 1