Index: src/django_gheat/website/tile.py
===================================================================
--- src/django_gheat/website/tile.py	(revision 9171)
+++ src/django_gheat/website/tile.py	(revision 9172)
@@ -219,6 +219,6 @@
     lon_min = min(lon_min, meting.longitude)
     lon_max = max(lon_max, meting.longitude)
-    xcoord = dif(nw_deg.lon,meting.longitude) / (resolution_deg.lon)
-    ycoord = dif(nw_deg.lat,meting.latitude) / (resolution_deg.lat)
+    xcoord = int(dif(nw_deg.lon,meting.longitude) / (resolution_deg.lon))
+    ycoord = int(dif(nw_deg.lat,meting.latitude) / (resolution_deg.lat))
     log.info(meting.accespoint.ssid, meting.latitude, meting.longitude, xcoord, ycoord)