diff --git a/roles/osbs-atomic-reactor/handlers/main.yml b/roles/osbs-atomic-reactor/handlers/main.yml
index 89ac699f9e..4b0f9eec47 100644
--- a/roles/osbs-atomic-reactor/handlers/main.yml
+++ b/roles/osbs-atomic-reactor/handlers/main.yml
@@ -1,3 +1,3 @@
 ---
 - name: rebuild buildroot
-  shell: {{ atomic_reactor_rpm.buildroot_cmd }}
+  shell: "{{ atomic_reactor_rpm.buildroot_cmd }}"