--- src/connection.rs	2020-12-21 14:55:17.022985801 +0100
+++ src/connection.rs	2020-12-21 14:55:35.150841529 +0100
@@ -84,9 +84,9 @@
         hello_buf[0..BENCHMARK_MAGIC_NUMBER.len()]
             .copy_from_slice(BENCHMARK_MAGIC_NUMBER.as_bytes());
         let mut i = BENCHMARK_MAGIC_NUMBER.len();
-        hello_buf[i] = env!("CARGO_PKG_VERSION_MAJOR").parse().unwrap();
-        hello_buf[i + 1] = env!("CARGO_PKG_VERSION_MINOR").parse().unwrap();
-        hello_buf[i + 2] = env!("CARGO_PKG_VERSION_PATCH").parse().unwrap();
+        hello_buf[i] = 0;
+        hello_buf[i + 1] = 0;
+        hello_buf[i + 2] = 0;
         i += 3;
         hello_buf[i..i + 2].clone_from_slice(&PROTOCOL_VERSION.to_be_bytes());
         i += 2;