diff --git a/pungi-build.conf.j2 b/pungi-build.conf.j2
index 305a269..35a70ae 100644
--- a/pungi-build.conf.j2
+++ b/pungi-build.conf.j2
@@ -55,13 +55,7 @@ pkgset_koji_module_tag = "dist-c8-module-compose"
 pkgset_allow_reuse = False
 
 
-sigkeys = [
-    {% for sigkey in sigkeys_fingerprints %}
-    {% if sigkey %}
-    "{{ sigkey }}",
-    {% endif %}
-    {% endfor %}
-]
+sigkeys = [{{ sigkeys_fingerprints | join('", "') }}]
 
 filter_system_release_packages = False