diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index f7ea2b4e6f..fb6073a508 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -9981,6 +9981,7 @@ dependencies = [
  "bytes",
  "chrono",
  "const_format",
+ "crc",
  "deno_ast",
  "deno_console",
  "deno_core",
diff --git a/backend/windmill-worker/Cargo.toml b/backend/windmill-worker/Cargo.toml
index d0b080fe2e..b6eb7cdf04 100644
--- a/backend/windmill-worker/Cargo.toml
+++ b/backend/windmill-worker/Cargo.toml
@@ -14,7 +14,7 @@ prometheus = ["dep:prometheus", "windmill-common/prometheus"]
 enterprise = ["windmill-queue/enterprise", "windmill-git-sync/enterprise", "windmill-common/enterprise", "dep:gcp_auth", "dep:jsonwebtoken", "dep:pem", "dep:sha2", "dep:tiberius", "dep:tokio-util", "dep:openidconnect"]
 benchmark = ["windmill-queue/benchmark"]
 flamegraph = []
-parquet = ["windmill-common/parquet", "dep:object_store", "dep:tar"]
+parquet = ["windmill-common/parquet", "dep:object_store", "dep:tar", "dep:crc"]
 flow_testing = []
 
 [dependencies]
@@ -80,6 +80,7 @@ tokio-util = { workspace = true, optional = true }
 openidconnect = { workspace = true, optional = true}
 tar = { workspace = true, optional = true}
 object_store = { workspace = true, optional = true}
+crc = { workspace = true, optional = true}
 
 [build-dependencies]
 deno_fetch.workspace = true
diff --git a/backend/windmill-worker/src/global_cache.rs b/backend/windmill-worker/src/global_cache.rs
index 56aa4c8eae..04a9905556 100644
--- a/backend/windmill-worker/src/global_cache.rs
+++ b/backend/windmill-worker/src/global_cache.rs
@@ -71,6 +71,9 @@ pub async fn build_tar_and_push(
     Ok(())
 }
 
+#[cfg(all(feature = "enterprise", feature = "parquet"))]
+pub const X25: crc::Crc<u16> = crc::Crc::<u16>::new(&crc::CRC_16_IBM_SDLC);
+
 #[cfg(all(feature = "enterprise", feature = "parquet"))]
 pub async fn pull_from_tar(client: Arc<dyn ObjectStore>, folder: String) -> error::Result<()> {
     use object_store::path::Path;
@@ -100,10 +103,9 @@ pub async fn pull_from_tar(client: Arc<dyn ObjectStore>, folder: String) -> erro
         .open(&target)
         .await
         .unwrap();
-
-    file.write_all(&object.unwrap().bytes().await.unwrap())
-        .await
-        .unwrap();
+    let bytes = object.unwrap().bytes().await.unwrap();
+    tracing::info!("{tar_path} checksum: {}", X25.checksum(&bytes));
+    file.write_all(&bytes).await.unwrap();
 
     if metadata(&target).await.is_err() {
         tracing::info!(