diff --git a/Cargo.lock b/Cargo.lock
index 937d375..a08e23f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1629,6 +1629,15 @@ version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
 
+[[package]]
+name = "memmap2"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe751422e4a8caa417e13c3ea66452215d7d63e19e604f4980461212f3ae1322"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "mime"
 version = "0.3.17"
@@ -2627,13 +2636,14 @@ dependencies = [
 
 [[package]]
 name = "timsrust"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d35d63d446ce6278d71949dfdf2d618c5891cdb4de7c1306e9631997d7916779"
+checksum = "9301709a549fabb2d79f564c528b0af5ca0002bdf0055341cfcc07950a44290b"
 dependencies = [
  "bytemuck",
  "byteorder",
  "linreg",
+ "memmap2",
  "parquet 42.0.0",
  "rayon",
  "rusqlite",
diff --git a/crates/sage-cloudpath/Cargo.toml b/crates/sage-cloudpath/Cargo.toml
index cd66f8b..0e55748 100644
--- a/crates/sage-cloudpath/Cargo.toml
+++ b/crates/sage-cloudpath/Cargo.toml
@@ -23,7 +23,7 @@ log = "0.4.0"
 once_cell = "1.0"
 tokio = { version = "1.0", features = ["fs", "io-util", "rt", "macros"] }
 quick-xml = { version = "0.31.0", features = ["async-tokio"] }
-timsrust = "0.2.0"
+timsrust = "0.2.4"
 rayon = "1.5"
 reqwest = { version = "0.11", features = ["json", "rustls-tls"], default-features = false }
 regex = "1.6"
diff --git a/crates/sage-cloudpath/src/tdf.rs b/crates/sage-cloudpath/src/tdf.rs
index 3346d47..e0e7cc7 100644
--- a/crates/sage-cloudpath/src/tdf.rs
+++ b/crates/sage-cloudpath/src/tdf.rs
@@ -33,7 +33,7 @@ impl TdfReader {
                     total_ion_current: 0.0,
                     mz: dda_spectrum.mz_values.iter().map(|&x| x as f32).collect(),
                     ms_level: 2,
-                    id: dda_precursor.index.to_string(),
+                    id: dda_spectrum.index.to_string(),
                     // precursor_id: dda_precursor.index as u32,
                     // frame_id: dda_precursor.frame_index as u32,
                     intensity: dda_spectrum.intensities.iter().map(|&x| x as f32).collect(),