diff --git a/upload.sh b/upload.sh
index 58d5028..e6cd5db 100755
--- a/upload.sh
+++ b/upload.sh
@@ -1,6 +1,8 @@
 #!/usr/bin/bash
 
-for cur in ./html/{*,**/*}; do
+# todo: Create local cache containing file timestamps that were previously uploaded.
+
+for cur in ./html/{*,*/*,*/*/*}; do
   if [[ "$cur" == *"/tracks/"* ]]; then
     continue
   fi