diff --git a/Cargo.lock b/Cargo.lock
index d197aa1..5a7410f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -90,7 +90,7 @@ checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
 [[package]]
 name = "itunesdb"
-version = "0.1.13"
+version = "0.1.15"
 dependencies = [
  "bincode",
  "env_logger",
diff --git a/Cargo.toml b/Cargo.toml
index be135e5..cf74197 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "itunesdb"
-version = "0.1.14"
+version = "0.1.15"
 edition = "2021"
 authors = ["alterwain"]
 
diff --git a/src/xobjects.rs b/src/xobjects.rs
index bec2c86..a221777 100644
--- a/src/xobjects.rs
+++ b/src/xobjects.rs
@@ -93,13 +93,13 @@ impl XPlaylist {
     }
 
     fn update_arg(&mut self, id: u32, val: String) {
-        self.args.retain_mut(|t| {
+        self.args.retain(|t| {
             if let XPlArgument::String(s) = t {
                 if s.arg_type == id {
-                    return true;
+                    return false;
                 }
             }
-            false
+            true
         });
         self.args.push(XPlArgument::String(XArgument { arg_type: id, val }));
     }
@@ -156,14 +156,11 @@ impl XTrackItem {
     }
 
     fn get_arg(&self, id: u32) -> String {
-        for t in self.args.iter() {
-            println!("{} -> {}", t.arg_type, t.val);
-        }
-        self.args.iter().find(|t| t.arg_type == id).map_or("none".to_string(), |t| t.val.clone())
+        self.args.iter().find(|t| t.arg_type == id).map_or(String::new(), |t| t.val.clone())
     }
 
     fn update_arg(&mut self, id: u32, val: String) {
-        self.args.retain(|t| t.arg_type == id);
+        self.args.retain(|t| t.arg_type != id);
         self.args.push(XArgument { arg_type: id, val});
     }
 }