diff --git a/wavbreaker.rpmlintrc b/wavbreaker.rpmlintrc
new file mode 100644
index 0000000..0bd6953
--- /dev/null
+++ b/wavbreaker.rpmlintrc
@@ -0,0 +1,6 @@
+# Not real spelling errors:
+addFilter(r" spelling-error \('([Uu]ncheck|wavmerge)',")
+# Use the latest GPLv2 license text
+# https://github.com/thp/wavbreaker/pull/32
+# We will not patch this until/unless upstream merges the PR.
+addFilter(r" incorrect-fsf-address ")
diff --git a/wavbreaker.spec b/wavbreaker.spec
index 2c9aea8..6de6779 100644
--- a/wavbreaker.spec
+++ b/wavbreaker.spec
@@ -69,11 +69,15 @@ sample rate, 16-bit sample size, etc.).
 #   %%py3_shebang_fix contrib/
 # Note also that this package neither BuildRequires nor Requires a Python
 # interpreter.
-find contrib/ -type f -name '*.py' -print -exec sed -r -i '1{/^#!/d}' '{}' '+'
+find contrib/ -type f -name '*.py' -print \
+    -exec sed --regexp-extended --in-place '1{/^#!/d}' '{}' '+'
+
+
+%conf
+%meson -Dmp3=true -Dogg_vorbis=true
 
 
 %build
-%meson -Dmp3=true -Dogg_vorbis=true
 %meson_build