diff --git a/examples/gzencoder-read.rs b/examples/gzencoder-read.rs
index 3191356db..3f1262b99 100644
--- a/examples/gzencoder-read.rs
+++ b/examples/gzencoder-read.rs
@@ -15,6 +15,6 @@ fn gzencoder_read_hello_world() -> io::Result<Vec<u8>> {
     let mut result = Vec::new();
     let c = b"hello world";
     let mut z = GzEncoder::new(&c[..], Compression::fast());
-    z.read_to_end(&mut ret_vec)?;
+    z.read_to_end(&mut result)?;
     Ok(result)
 }
diff --git a/tests/corrupt-file.gz b/tests/corrupt-gz-file.bin
similarity index 100%
rename from tests/corrupt-file.gz
rename to tests/corrupt-gz-file.bin
diff --git a/tests/gunzip.rs b/tests/gunzip.rs
index 855c620b0..c3820328a 100644
--- a/tests/gunzip.rs
+++ b/tests/gunzip.rs
@@ -33,7 +33,7 @@ fn test_extract_success_partial_multi() {
 // test extraction fails on a corrupt file
 #[test]
 fn test_extract_failure() {
-    let result = extract_file(Path::new("tests/corrupt-file.gz"));
+    let result = extract_file(Path::new("tests/corrupt-gz-file.bin"));
     assert_eq!(result.err().unwrap().kind(), io::ErrorKind::InvalidInput);
 }