diff --git a/settings.py b/settings.py
index 05068b6..a972fb5 100644
--- a/settings.py
+++ b/settings.py
@@ -16,7 +16,7 @@ except ImportError:
     db_password = os.environ['STACKTACH_DB_PASSWORD']
     install_dir = os.environ['STACKTACH_INSTALL_DIR']
 
-DEBUG = False
+DEBUG = True
 TEMPLATE_DEBUG = DEBUG
 
 ADMINS = (
diff --git a/stacktach/models.py b/stacktach/models.py
index f09e3ff..2a5310b 100644
--- a/stacktach/models.py
+++ b/stacktach/models.py
@@ -81,7 +81,8 @@ class Timing(models.Model):
     start_raw = models.ForeignKey(RawData, related_name='+', null=True)
     end_raw = models.ForeignKey(RawData, related_name='+', null=True)
 
-    start_when = models.DecimalField(null=True, max_digits=20, decimal_places=6)
+    start_when = models.DecimalField(null=True, max_digits=20,
+                                     decimal_places=6)
     end_when = models.DecimalField(null=True, max_digits=20, decimal_places=6)
 
     diff = models.DecimalField(null=True, max_digits=20, decimal_places=6)
@@ -93,7 +94,7 @@ class RequestTracker(models.Model):
     final .end event (with the same Request ID)."""
     request_id = models.CharField(max_length=50, db_index=True)
     lifecycle = models.ForeignKey(Lifecycle)
-    last_timing = models.ForeignKey(Timing, null=true)
+    last_timing = models.ForeignKey(Timing, null=True)
     start = models.DecimalField(max_digits=20, decimal_places=6)
     duration = models.DecimalField(max_digits=20, decimal_places=6)
 
diff --git a/stacktach/stacky_server.py b/stacktach/stacky_server.py
index 127d400..4daeaba 100644
--- a/stacktach/stacky_server.py
+++ b/stacktach/stacky_server.py
@@ -281,6 +281,7 @@ def do_watch(request, deployment_id):
 
 def do_kpi(request):
     yesterday = datetime.datetime.utcnow() - datetime.timedelta(days=1)
+    yesterday = dt.dt_to_decimal(yesterday)
     trackers = models.RequestTracker.objects.select_related() \
                                    .exclude(last_timing=None)  \
                                    .exclude(start__lt=yesterday) \
diff --git a/stacktach/views.py b/stacktach/views.py
index 042ae0b..f71cecc 100644
--- a/stacktach/views.py
+++ b/stacktach/views.py
@@ -87,7 +87,7 @@ def start_kpi_tracking(lifecycle, raw):
                                     start=raw.when,
                                     lifecycle=lifecycle,
                                     last_timing=None,
-                                    duration=0.0)
+                                    duration=str(0.0))
     tracker.save()
 
 
@@ -102,7 +102,8 @@ def update_kpi(lifecycle, timing, raw):
 
     Until then, we'll take the lazy route and be aware of these
     potential fence-post issues."""
-    trackers = models.RequestTracker.objects.filter(request_id=raw.request.id)
+    trackers = models.RequestTracker.objects.\
+                                        filter(request_id=raw.request_id)
     if len(trackers) == 0:
         return
 
@@ -146,7 +147,7 @@ def aggregate(raw):
 
     if not step in ['start', 'end']:
         # Perhaps it's an operation initiated in the API?
-        start_kpi_tracking(lifecyle, raw)
+        start_kpi_tracking(lifecycle, raw)
         return
 
     # We are going to try to track every event pair that comes
diff --git a/worker/stacktach.sh b/worker/stacktach.sh
index be51937..e048438 100755
--- a/worker/stacktach.sh
+++ b/worker/stacktach.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-WORKDIR=/srv/www/stacktach/django/stproject/
+WORKDIR=/srv/www/stacktach/app
 DAEMON=/usr/bin/python
 ARGS=$WORKDIR/worker/start_workers.py
 PIDFILE=/var/run/stacktach.pid