diff --git a/src/api.rs b/src/api.rs
index 1dd4c94..8abb313 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -172,8 +172,7 @@ fn extract_key_from_path(param_path: &str) -> Result<String, Error> {
 pub fn as_env_format(map: HashMap<String, String>, raw: bool) -> String {
   let lines: Vec<String> = map
     .into_iter()
-    .map(|(k, v)| {
-      let key = k.to_uppercase();
+    .map(|(key, v)| {
       let val = if raw { v } else { base64::encode(&v) };
       format!("{key}={val}\n")
     })
@@ -184,8 +183,7 @@ pub fn as_env_format(map: HashMap<String, String>, raw: bool) -> String {
 pub fn as_export_format(map: HashMap<String, String>, raw: bool) -> String {
   let lines: Vec<String> = map
     .into_iter()
-    .map(|(k, v)| {
-      let key = k.to_uppercase();
+    .map(|(key, v)| {
       if raw {
         let val = base64::encode(&v);
         format!("export {key}={val}\n")
diff --git a/src/api_tests.rs b/src/api_tests.rs
index 308064e..13baa0b 100644
--- a/src/api_tests.rs
+++ b/src/api_tests.rs
@@ -43,8 +43,8 @@ fn test_as_env_format() {
   .collect();
   let env_format = as_env_format(map, true);
   let mut result: Vec<&str> = env_format.trim().split("\n").collect();
-  result.sort();
-  assert_eq!(result, vec!["ONE=bar", "THREE=clock", "TWO=baz"]);
+  result.sort_by_key(|line| line.to_lowercase());
+  assert_eq!(result, vec!["one=bar", "THREE=clock", "two=baz"]);
 }
 
 #[test]