diff --git a/projects/tentacles/src/tentacles/sql/printers.sql b/projects/tentacles/src/tentacles/sql/printers.sql
index ae31f77..54dac78 100644
--- a/projects/tentacles/src/tentacles/sql/printers.sql
+++ b/projects/tentacles/src/tentacles/sql/printers.sql
@@ -174,7 +174,7 @@ WHERE
 -- name: update-printer-level-date!
 UPDATE printers
 SET
- , last_level_date = datetime('now')
+   last_level_date = datetime('now')
 WHERE
    id = :pid
 ;
diff --git a/projects/tentacles/src/tentacles/workers.py b/projects/tentacles/src/tentacles/workers.py
index 6563cdc..c54370b 100644
--- a/projects/tentacles/src/tentacles/workers.py
+++ b/projects/tentacles/src/tentacles/workers.py
@@ -223,7 +223,7 @@ def push_jobs(app: App, db: Db) -> None:
                 last_level_date = datetime.fromisoformat(last_level_date)
 
             if not last_level_date or (
-                datetime.utcnow() - last_level_date >= timedela(hours=24)
+                datetime.utcnow() - last_level_date >= timedelta(hours=24)
             ):
                 log.info(f"Printer {printer.id} needs to be leveled...")
                 client.gcode(
@@ -236,6 +236,7 @@ def push_jobs(app: App, db: Db) -> None:
             client.select(Path(file.path).name)
             client.start()
             db.start_job(jid=job.id)
+
         except TimeoutError:
             pass
 
@@ -284,7 +285,7 @@ def pull_jobs(app: App, db: Db) -> None:
         except HTTPError:
             printer_state = {"disconnected": True, "error": True}
 
-        if job_state.get("progress", {}).get("completion", 0.0) == 100.0:
+        if (job_state.get("progress", {}).get("completion") or 0.0) == 100.0:
             # Debounce jobs which JUST started from immediately completing due to a data race
             start_date = datetime.fromisoformat(job.started_at)
             runtime = datetime.utcnow() - start_date
@@ -292,9 +293,9 @@ def pull_jobs(app: App, db: Db) -> None:
                 log.info(f"Job {job.id} has succeeded")
                 db.finish_job(jid=job.id, state="success")
 
-        elif job_state.get("progress", {}).get("completion", 0.0) < 100.0:
+        elif (job_state.get("progress", {}).get("completion") or 0.0) < 100.0:
             time_left = float(
-                job_state.get("progress", {}).get("printTimeLeft", "3600.0")
+                job_state.get("progress", {}).get("printTimeLeft") or "3600.0"
             )
             db.update_job_time_left(jid=job.id, time_left=time_left)