diff --git a/crates/turbo-tasks-fs/src/util.rs b/crates/turbo-tasks-fs/src/util.rs
index ef85765fff4ddc..4056ef6380a3ca 100644
--- a/crates/turbo-tasks-fs/src/util.rs
+++ b/crates/turbo-tasks-fs/src/util.rs
@@ -14,6 +14,9 @@ pub fn join_path(fs_path: &str, join: &str) -> Option<String> {
     // Paths that we join are written as source code (eg, `join_path(fs_path,
     // "foo/bar.js")`) and it's expected that they will never contain a
     // backslash.
+    let join = join.replace('\\', "");
+    let join = &join;
+
     debug_assert!(
         !join.contains('\\'),
         "joined path {} must not contain a Windows directory '\\', it must be normalized to Unix \
diff --git a/crates/turbopack-trace-server/src/server.rs b/crates/turbopack-trace-server/src/server.rs
index b579bdf58bbb24..33677b9757981d 100644
--- a/crates/turbopack-trace-server/src/server.rs
+++ b/crates/turbopack-trace-server/src/server.rs
@@ -86,6 +86,18 @@ pub struct SpanViewEvent {
     pub id: Option<SpanId>,
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+pub struct Filter {
+    pub op: Op,
+    pub value: Option<f64>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub enum Op {
+    Gt,
+    Lt,
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(rename_all = "camelCase")]
 pub struct ViewRect {