diff --git a/public/templates/data.tmpl b/public/templates/data.tmpl
index 9b7f14c..00be127 100644
--- a/public/templates/data.tmpl
+++ b/public/templates/data.tmpl
@@ -102,7 +102,7 @@
         'RasterSource': {
           type: 'raster',
           url: '{{public_url}}data/{{id}}.json' + keyParam,
-          tileSize": 256
+          tileSize: 256
         }
       },
       layers: [
diff --git a/public/templates/viewer.tmpl b/public/templates/viewer.tmpl
index a25b18f..8a65521 100644
--- a/public/templates/viewer.tmpl
+++ b/public/templates/viewer.tmpl
@@ -64,7 +64,7 @@
             'RasterSource': {
               type: 'raster',
               url: '{{public_url}}styles/{{id}}.json' + keyParam,
-              tileSize": 256
+              tileSize: 256
             }
           },
           layers: [