diff --git a/luabind.changes b/luabind.changes
index 56fba64..3618984 100644
--- a/luabind.changes
+++ b/luabind.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jun  9 12:59:38 UTC 2025 - Bernhard Wiedemann <bwiedemann@suse.com>
+
+- Replace usage of %jobs for reproducible builds (boo#1237231)
+
 -------------------------------------------------------------------
 Thu Feb 22 09:50:38 UTC 2024 - Michael Vetter <mvetter@suse.com>
 
diff --git a/luabind.spec b/luabind.spec
index 2149332..2706671 100644
--- a/luabind.spec
+++ b/luabind.spec
@@ -68,7 +68,7 @@ This package contains the library.
 
 %build
 # Parallel build settings ...
-limit_jobs="%{?jobs:%{jobs}}"
+limit_jobs="$(echo %{?_smp_mflags} | cut -c 3-)"
 # do not eat all memory
 echo "Available memory:"
 free