diff --git a/repak_cli/Cargo.toml b/repak_cli/Cargo.toml
index b134f1c..a296d4c 100644
--- a/repak_cli/Cargo.toml
+++ b/repak_cli/Cargo.toml
@@ -15,6 +15,7 @@ aes = { workspace = true }
 base64 = { workspace = true }
 clap = { version = "4.1.4", features = ["derive"] }
 path-clean = "0.1.0"
+path-slash = "0.2.1"
 rayon = "1.6.1"
 repak = { version = "0.1.1", path = "../repak" }
 strum = { workspace = true }
diff --git a/repak_cli/src/main.rs b/repak_cli/src/main.rs
index 12e8d89..aa3972b 100644
--- a/repak_cli/src/main.rs
+++ b/repak_cli/src/main.rs
@@ -5,6 +5,7 @@ use std::path::{Path, PathBuf};
 use clap::builder::TypedValueParser;
 use clap::{Parser, Subcommand};
 use path_clean::PathClean;
+use path_slash::PathExt;
 use rayon::prelude::*;
 use strum::VariantNames;
 
@@ -270,7 +271,8 @@ fn pack(args: ActionPack) -> Result<(), repak::Error> {
         let rel = &p
             .strip_prefix(input_path)
             .expect("file not in input directory")
-            .to_string_lossy();
+            .to_slash()
+            .expect("failed to convert to slash path");
         if args.verbose {
             println!("packing {}", &rel);
         }