diff --git a/rust2rpm/tests/samples/cxx-build-1.0.71.opensuse.spec b/rust2rpm/tests/samples/cxx-build-1.0.71.opensuse.spec
index aebf72b..ffcb40b 100644
--- a/rust2rpm/tests/samples/cxx-build-1.0.71.opensuse.spec
+++ b/rust2rpm/tests/samples/cxx-build-1.0.71.opensuse.spec
@@ -15,7 +15,7 @@
 # Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
-# Generated by rust2rpm 22
+# Generated by rust2rpm NNN
 %bcond_without check
 
 %global crate cxx-build
diff --git a/rust2rpm/tests/samples/nix-0.24.1.opensuse.spec b/rust2rpm/tests/samples/nix-0.24.1.opensuse.spec
index 3abd88f..a9046e6 100644
--- a/rust2rpm/tests/samples/nix-0.24.1.opensuse.spec
+++ b/rust2rpm/tests/samples/nix-0.24.1.opensuse.spec
@@ -15,7 +15,7 @@
 # Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
-# Generated by rust2rpm 22
+# Generated by rust2rpm NNN
 %bcond_without check
 
 %global crate nix
diff --git a/rust2rpm/tests/samples/tokio-1.19.2.opensuse.spec b/rust2rpm/tests/samples/tokio-1.19.2.opensuse.spec
index aa9a910..e19c1c1 100644
--- a/rust2rpm/tests/samples/tokio-1.19.2.opensuse.spec
+++ b/rust2rpm/tests/samples/tokio-1.19.2.opensuse.spec
@@ -15,7 +15,7 @@
 # Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
-# Generated by rust2rpm 22
+# Generated by rust2rpm NNN
 %bcond_without check
 
 %global crate tokio
diff --git a/rust2rpm/tests/test_generator.py b/rust2rpm/tests/test_generator.py
index e595da5..acf93ce 100644
--- a/rust2rpm/tests/test_generator.py
+++ b/rust2rpm/tests/test_generator.py
@@ -70,7 +70,7 @@ def test_spec(tomlfile, target, tmpdir):
     crate = tomlfile.with_suffix("").name
 
     spec = mock_spec_file_render(crate, tomlfile, target, tmpdir)
-    spec = re.sub("^(# Generated by rust2rpm) .*", r"\1 NNN", spec)
+    spec = re.sub("(# Generated by rust2rpm) .*", r"\1 NNN", spec)
 
     if os.getenv("SAVE_SPECS") == "1":
         # helper mode to create test data