diff --git a/repak/src/pak.rs b/repak/src/pak.rs
index 6d35780..29e7bfa 100644
--- a/repak/src/pak.rs
+++ b/repak/src/pak.rs
@@ -16,12 +16,14 @@ impl PakBuilder {
         }
     }
     #[cfg(feature = "encryption")]
-    pub fn key(&mut self, key: aes::Aes256) {
-        self.key = super::Key::Some(key)
+    pub fn key(&mut self, key: aes::Aes256) -> &mut Self {
+        self.key = super::Key::Some(key);
+        self
     }
     #[cfg(feature = "oodle")]
-    pub fn oodle(&mut self, oodle: fn() -> super::Decompress) {
+    pub fn oodle(&mut self, oodle: fn() -> super::Decompress) -> &mut Self {
         unsafe { super::OODLE = Some(once_cell::sync::Lazy::new(oodle)) }
+        self
     }
     pub fn reader<R: Read + Seek>(self, reader: &mut R) -> Result<PakReader, super::Error> {
         PakReader::new_any_inner(reader, self.key)
diff --git a/repak_cli/src/main.rs b/repak_cli/src/main.rs
index 6d876dc..c7e5dfc 100644
--- a/repak_cli/src/main.rs
+++ b/repak_cli/src/main.rs
@@ -177,7 +177,7 @@ fn main() -> Result<(), repak::Error> {
 fn info(aes_key: Option<aes::Aes256>, action: ActionInfo) -> Result<(), repak::Error> {
     let mut builder = repak::PakBuilder::new();
     if let Some(aes_key) = aes_key {
-        builder.key(aes_key)
+        builder.key(aes_key);
     }
     let pak = builder.reader(&mut BufReader::new(File::open(action.input)?))?;
     println!("mount point: {}", pak.mount_point());
@@ -192,7 +192,7 @@ fn info(aes_key: Option<aes::Aes256>, action: ActionInfo) -> Result<(), repak::E
 fn list(aes_key: Option<aes::Aes256>, action: ActionList) -> Result<(), repak::Error> {
     let mut builder = repak::PakBuilder::new();
     if let Some(aes_key) = aes_key {
-        builder.key(aes_key)
+        builder.key(aes_key);
     }
     let pak = builder.reader(&mut BufReader::new(File::open(action.input)?))?;
 
@@ -225,7 +225,7 @@ fn list(aes_key: Option<aes::Aes256>, action: ActionList) -> Result<(), repak::E
 fn hash_list(aes_key: Option<aes::Aes256>, action: ActionHashList) -> Result<(), repak::Error> {
     let mut builder = repak::PakBuilder::new();
     if let Some(aes_key) = aes_key {
-        builder.key(aes_key)
+        builder.key(aes_key);
     }
     let pak = builder.reader(&mut BufReader::new(File::open(&action.input)?))?;
 
@@ -286,7 +286,7 @@ fn unpack(aes_key: Option<aes::Aes256>, action: ActionUnpack) -> Result<(), repa
         #[cfg(windows)]
         builder.oodle(get_oodle::decompress);
         if let Some(aes_key) = aes_key.clone() {
-            builder.key(aes_key)
+            builder.key(aes_key);
         }
         let pak = builder.reader(&mut BufReader::new(File::open(input)?))?;
         let output = action
@@ -459,7 +459,7 @@ fn get(aes_key: Option<aes::Aes256>, args: ActionGet) -> Result<(), repak::Error
     #[cfg(windows)]
     builder.oodle(get_oodle::decompress);
     if let Some(aes_key) = aes_key {
-        builder.key(aes_key)
+        builder.key(aes_key);
     }
     let pak = builder.reader(&mut reader)?;
     let mount_point = PathBuf::from(pak.mount_point());