diff --git a/src/device/mod.rs b/src/device/mod.rs
index a076769..a5d0c37 100644
--- a/src/device/mod.rs
+++ b/src/device/mod.rs
@@ -10,7 +10,7 @@ use ffi::*;
 pub struct Info<'a> {
 	ptr: *mut AVDeviceInfo,
 
-	_marker: PhantomData<&'a i32>,
+	_marker: PhantomData<&'a ()>,
 }
 
 impl<'a> Info<'a> {