diff --git a/android.rs b/android.rs
index 328d63c..a4b03c5 100644
--- a/android.rs
+++ b/android.rs
@@ -28,7 +28,7 @@ impl AlertMethods for Alert {
 
     fn prompt_value(&self) -> ~str {
         // TODO
-        ~""
+        "".to_owned()
     }
 }
 
diff --git a/linux.rs b/linux.rs
index 7934339..54c64b0 100644
--- a/linux.rs
+++ b/linux.rs
@@ -19,7 +19,7 @@ pub struct Alert {
 impl AlertMethods for Alert {
     fn new(_: &str) -> Alert {
         // TODO: Use a glfw window for prompt
-        Alert { url: ~"" }
+        Alert { url: "".to_owned() }
     }
 
     fn add_prompt(&mut self) {