diff --git a/server/src/storage/localfs.rs b/server/src/storage/localfs.rs
index 8b802ebe8..e0880cff0 100644
--- a/server/src/storage/localfs.rs
+++ b/server/src/storage/localfs.rs
@@ -212,7 +212,8 @@ impl ObjectStorage for LocalFS {
 
     fn absolute_url(&self, prefix: &RelativePath) -> object_store::path::Path {
         object_store::path::Path::parse(
-            format!("{}", self.root.join(prefix.as_str()).display()).trim_start_matches('/'),
+            format!("{}", self.root.join(prefix.as_str()).display())
+                .trim_start_matches(std::path::MAIN_SEPARATOR),
         )
         .unwrap()
     }