diff --git a/coords/tileconvert.go b/coords/tileconvert.go
index 274ba35..f92b101 100644
--- a/coords/tileconvert.go
+++ b/coords/tileconvert.go
@@ -14,7 +14,7 @@ func GetTileCoordsFromMapBlock(mbc MapBlockCoords, layers []layer.Layer) *TileCo
 
 	var layerid *int
 	for _, l := range layers {
-		if mbc.Y > l.From && mbc.Y < l.To {
+		if (mbc.Y*16) >= l.From && (mbc.Y*16) <= l.To {
 			layerid = &l.Id
 		}
 	}
diff --git a/initialrenderer/job.go b/initialrenderer/job.go
index 5ee0b01..cf944fe 100644
--- a/initialrenderer/job.go
+++ b/initialrenderer/job.go
@@ -4,7 +4,6 @@ import (
 	"github.com/sirupsen/logrus"
 	"mapserver/app"
 	"mapserver/coords"
-	"mapserver/mapblockparser"
 )
 
 func Job(ctx *app.App) {
@@ -17,13 +16,13 @@ func Job(ctx *app.App) {
 	lastcoords := coords.NewMapBlockCoords(rstate.LastX, rstate.LastY, rstate.LastZ)
 
 	for true {
-		newlastcoords, mblist, err := ctx.BlockAccessor.FindLegacyMapBlocks(lastcoords, ctx.Config.InitialRenderingFetchLimit)
+		hasMore, newlastcoords, mblist, err := ctx.BlockAccessor.FindLegacyMapBlocks(lastcoords, ctx.Config.InitialRenderingFetchLimit, ctx.Config.Layers)
 
 		if err != nil {
 			panic(err)
 		}
 
-		if len(mblist) == 0 {
+		if len(mblist) == 0 && !hasMore {
 			logrus.Info("Initial rendering complete")
 			rstate.InitialRun = false
 			ctx.Config.Save()
@@ -33,19 +32,14 @@ func Job(ctx *app.App) {
 
 		lastcoords = *newlastcoords
 
-		//only mapblocks with valid layer
-		validmblist := make([]*mapblockparser.MapBlock, 0)
-
 		//Invalidate zoom 12-1
 		for _, mb := range mblist {
 			tc := coords.GetTileCoordsFromMapBlock(mb.Pos, ctx.Config.Layers)
 
 			if tc == nil {
-				continue
+				panic("tile not in any layer")
 			}
 
-			validmblist = append(validmblist, mb)
-
 			for tc.Zoom > 1 {
 				tc = tc.GetZoomedOutTile()
 				ctx.Tiledb.RemoveTile(tc)
@@ -53,7 +47,7 @@ func Job(ctx *app.App) {
 		}
 
 		//Render zoom 12-1
-		for _, mb := range validmblist {
+		for _, mb := range mblist {
 			tc := coords.GetTileCoordsFromMapBlock(mb.Pos, ctx.Config.Layers)
 			for tc.Zoom > 1 {
 				tc = tc.GetZoomedOutTile()
@@ -84,7 +78,6 @@ func Job(ctx *app.App) {
 			"X":          lastcoords.X,
 			"Y":          lastcoords.Y,
 			"Z":          lastcoords.Z,
-			"validcount": len(validmblist),
 		}
 		logrus.WithFields(fields).Info("Initial rendering")
 	}
diff --git a/mapblockaccessor/mapblockaccessor.go b/mapblockaccessor/mapblockaccessor.go
index 0d6be51..edac4e6 100644
--- a/mapblockaccessor/mapblockaccessor.go
+++ b/mapblockaccessor/mapblockaccessor.go
@@ -5,6 +5,7 @@ import (
 	"mapserver/coords"
 	"mapserver/db"
 	"mapserver/mapblockparser"
+	"mapserver/layer"
 	"time"
 
 	cache "github.com/patrickmn/go-cache"
@@ -40,18 +41,31 @@ func (a *MapBlockAccessor) Update(pos coords.MapBlockCoords, mb *mapblockparser.
 	a.c.Set(key, mb, cache.DefaultExpiration)
 }
 
-func (a *MapBlockAccessor) FindLegacyMapBlocks(lastpos coords.MapBlockCoords, limit int) (*coords.MapBlockCoords, []*mapblockparser.MapBlock, error) {
+func (a *MapBlockAccessor) FindLegacyMapBlocks(lastpos coords.MapBlockCoords, limit int, layerfilter []layer.Layer) (bool, *coords.MapBlockCoords, []*mapblockparser.MapBlock, error) {
 
 	blocks, err := a.accessor.FindLegacyBlocks(lastpos, limit)
 
 	if err != nil {
-		return nil, nil, err
+		return false, nil, nil, err
 	}
 
 	mblist := make([]*mapblockparser.MapBlock, 0)
 	var newlastpos *coords.MapBlockCoords
+	hasMore := len(blocks) == limit
 
 	for _, block := range blocks {
+		newlastpos = &block.Pos
+
+		inLayer := false
+		for _, l := range layerfilter {
+			if (block.Pos.Y*16) >= l.From && (block.Pos.Y*16) <= l.To {
+				inLayer = true
+			}
+		}
+
+		if !inLayer {
+			continue
+		}
 
 		fields := logrus.Fields{
 			"x": block.Pos.X,
@@ -64,7 +78,7 @@ func (a *MapBlockAccessor) FindLegacyMapBlocks(lastpos coords.MapBlockCoords, li
 
 		mapblock, err := mapblockparser.Parse(block.Data, block.Mtime, block.Pos)
 		if err != nil {
-			return nil, nil, err
+			return false, nil, nil, err
 		}
 
 		for _, listener := range a.listeners {
@@ -74,13 +88,12 @@ func (a *MapBlockAccessor) FindLegacyMapBlocks(lastpos coords.MapBlockCoords, li
 		a.c.Set(key, mapblock, cache.DefaultExpiration)
 		mblist = append(mblist, mapblock)
 
-		newlastpos = &block.Pos
 	}
 
-	return newlastpos, mblist, nil
+	return hasMore, newlastpos, mblist, nil
 }
 
-func (a *MapBlockAccessor) FindLatestMapBlocks(mintime int64, limit int) ([]*mapblockparser.MapBlock, error) {
+func (a *MapBlockAccessor) FindLatestMapBlocks(mintime int64, limit int, layerfilter []layer.Layer) ([]*mapblockparser.MapBlock, error) {
 	blocks, err := a.accessor.FindLatestBlocks(mintime, limit)
 
 	if err != nil {
@@ -91,6 +104,17 @@ func (a *MapBlockAccessor) FindLatestMapBlocks(mintime int64, limit int) ([]*map
 
 	for _, block := range blocks {
 
+		inLayer := false
+		for _, l := range layerfilter {
+			if (block.Pos.Y*16) >= l.From && (block.Pos.Y*16) <= l.To {
+				inLayer = true
+			}
+		}
+
+		if !inLayer {
+			continue
+		}
+
 		fields := logrus.Fields{
 			"x": block.Pos.X,
 			"y": block.Pos.Y,
diff --git a/tileupdate/job.go b/tileupdate/job.go
index 16a1085..23e8d59 100644
--- a/tileupdate/job.go
+++ b/tileupdate/job.go
@@ -17,7 +17,7 @@ func Job(ctx *app.App) {
 	logrus.WithFields(fields).Info("Starting incremental update")
 
 	for true {
-		mblist, err := ctx.BlockAccessor.FindLatestMapBlocks(rstate.LastMtime, ctx.Config.UpdateRenderingFetchLimit)
+		mblist, err := ctx.BlockAccessor.FindLatestMapBlocks(rstate.LastMtime, ctx.Config.UpdateRenderingFetchLimit, ctx.Config.Layers)
 
 		if err != nil {
 			panic(err)