diff --git a/ansible/roles/poudriere/files/poudboot.bash b/ansible/roles/poudriere/files/poudboot.bash
index f61e5a1..c8fc02e 100644
--- a/ansible/roles/poudriere/files/poudboot.bash
+++ b/ansible/roles/poudriere/files/poudboot.bash
@@ -38,6 +38,8 @@ function build {
 }
 
 function cmd_start {
+    abort_if_jobs_running
+
     # Allow command failures without quitting the script because some
     # package sets might fail whereas others may succeed based on which
     # packages are in each set.