diff --git a/src/client.rs b/src/client.rs
index 087abeb9..0f7e3460 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -319,7 +319,7 @@ impl Client {
     }
 
     pub fn generate_url(&self, rng: &mut Pcg64Si) -> Result<(Cow<Url>, Pcg64Si), ClientError> {
-        let snapshot = rng.clone();
+        let snapshot = *rng;
         Ok((self.url_generator.generate(rng)?, snapshot))
     }
 
diff --git a/src/pcg64si.rs b/src/pcg64si.rs
index 02f64cbe..558d0dad 100644
--- a/src/pcg64si.rs
+++ b/src/pcg64si.rs
@@ -29,7 +29,8 @@ impl RngCore for Pcg64Si {
     }
 
     fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
-        Ok(self.fill_bytes(dest))
+        self.fill_bytes(dest);
+        Ok(())
     }
 }