diff --git a/roles/taskotron/imagefactory/files/imagefactory-kill-zombie b/roles/taskotron/imagefactory/files/imagefactory-kill-zombie
index 5a5deb0c96..b5d76df3ed 100755
--- a/roles/taskotron/imagefactory/files/imagefactory-kill-zombie
+++ b/roles/taskotron/imagefactory/files/imagefactory-kill-zombie
@@ -18,7 +18,7 @@ TIMEOUT=${1:-$DEFAULT_TIMEOUT}
 # convert to seconds
 TIMEOUT=$(( $TIMEOUT * 60 ))
 
-while pgrep -f "$PROCESS_ID"; do
+while true; do
     # get PID of the oldest (pgrep -o) running matched process
     PID=$(pgrep -o -f "$PROCESS_ID")
     if [ -z "$PID" ]; then