--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6301,7 +6301,7 @@ mod tests {
             .load_priv_key_from_pem_file("examples/cert.key")
             .unwrap();
         config
-            .set_application_protos(b"\x06proto1\06proto2")
+            .set_application_protos(b"\x06proto1\x06proto2")
             .unwrap();
 
         let mut pipe = testing::Pipe::with_server_config(&mut config).unwrap();
@@ -8347,7 +8347,7 @@ mod tests {
             .load_priv_key_from_pem_file("examples/cert.key")
             .unwrap();
         config
-            .set_application_protos(b"\x06proto1\06proto2")
+            .set_application_protos(b"\x06proto1\x06proto2")
             .unwrap();
 
         let mut pipe = testing::Pipe::with_server_config(&mut config).unwrap();
@@ -8407,7 +8407,7 @@ mod tests {
             .load_priv_key_from_pem_file("examples/cert.key")
             .unwrap();
         config
-            .set_application_protos(b"\x06proto1\06proto2")
+            .set_application_protos(b"\x06proto1\x06proto2")
             .unwrap();
 
         let mut pipe = testing::Pipe::with_server_config(&mut config).unwrap();
@@ -8465,7 +8465,7 @@ mod tests {
             .load_priv_key_from_pem_file("examples/cert.key")
             .unwrap();
         config
-            .set_application_protos(b"\x06proto1\06proto2")
+            .set_application_protos(b"\x06proto1\x06proto2")
             .unwrap();
 
         let mut pipe = testing::Pipe::with_server_config(&mut config).unwrap();
@@ -9509,7 +9509,7 @@ mod tests {
             .load_priv_key_from_pem_file("examples/cert.key")
             .unwrap();
         config
-            .set_application_protos(b"\x06proto1\06proto2")
+            .set_application_protos(b"\x06proto1\x06proto2")
             .unwrap();
 
         let mut pipe = testing::Pipe::with_server_config(&mut config).unwrap();