diff --git a/jenkins/jobs/heat.yaml b/jenkins/jobs/heat.yaml
index c4e9c91428..3940401843 100644
--- a/jenkins/jobs/heat.yaml
+++ b/jenkins/jobs/heat.yaml
@@ -19,10 +19,10 @@
           export DEVSTACK_GATE_TEMPEST=0
           export DEVSTACK_GATE_EXERCISES=0
 
-          function post_test_hook {{
+          function post_test_hook {
               cd $BASE/new/heat-templates/tools
               ./post_test_hook.sh
-          }}
+          }
           export -f post_test_hook
 
           cp devstack-gate/devstack-vm-gate-wrap.sh ./safe-devstack-vm-gate-wrap.sh