diff --git a/src/interpreter/memory.rs b/src/interpreter/memory.rs
index 0bca676..1c208a7 100644
--- a/src/interpreter/memory.rs
+++ b/src/interpreter/memory.rs
@@ -30,7 +30,7 @@ impl<'a, B: 'a> CheckedRegion<'a, B> where B: ::std::ops::Deref<Target=Vec<u8>>
 	}
 
 	fn slice(&self) -> &[u8] {
-		&*self.buffer
+		&self.buffer[self.range()]
 	}
 }