diff --git a/testsuite/citest.py b/testsuite/citest.py
index 19ceb9ed..3b7a7e3b 100644
--- a/testsuite/citest.py
+++ b/testsuite/citest.py
@@ -558,7 +558,9 @@ class PrebuiltTest(CIBaseTest):
         self.init()
         self.perform_build_test(
             targets,
-            image_install="prebuilt-docker-img prebuilt-podman-img")
+            image_install="prebuilt-docker-img prebuilt-podman-img",
+            lines=['ROOTFS_EXTRA:qemuarm64 = "256"'],
+        )
 
     def test_run_amd64_bookworm_prebuilt_containers(self):
         """