diff --git a/src/server.js b/src/server.js
index 59de3cd..9fedc02 100644
--- a/src/server.js
+++ b/src/server.js
@@ -136,7 +136,7 @@ function start(opts) {
             return dataItemId;
           } else {
             if (fromData || !allowMoreData) {
-              console.log(`ERROR: style "${file.name}" using unknown mbtiles "${mbtiles}"! Skipping...`);
+              console.log(`ERROR: style "${item.style}" using unknown mbtiles "${mbtiles}"! Skipping...`);
               return undefined;
             } else {
               let id = mbtiles.substr(0, mbtiles.lastIndexOf('.')) || mbtiles;