diff --git a/thir-export/cli/src/driver_thir_export.rs b/thir-export/cli/src/driver_thir_export.rs
index 1c4be8b6c..f9f658dd0 100644
--- a/thir-export/cli/src/driver_thir_export.rs
+++ b/thir-export/cli/src/driver_thir_export.rs
@@ -144,7 +144,7 @@ fn main() {
         .into_iter()
         .chain(
             escape_string::split(&*std::env::var("THIR_EXPORT_ARGS").unwrap_or("".into()))
-                .expect("Invalid value for the environement variable THIR_EXPORT_ARGS")
+                .expect("Invalid value for the environnement variable THIR_EXPORT_ARGS")
                 .into_iter()
                 .map(|x| String::from(x)),
         )
diff --git a/thir-export/rust-toolchain.toml b/thir-export/rust-toolchain.toml
new file mode 100644
index 000000000..0a765b493
--- /dev/null
+++ b/thir-export/rust-toolchain.toml
@@ -0,0 +1,3 @@
+[toolchain]
+channel = "nightly-2022-12-06"
+components = [ "rustc-dev", "llvm-tools-preview" , "rust-analysis" , "rust-src" , "rustfmt" ]