diff --git a/src/lib.rs b/src/lib.rs
index 36ba921..e03a68d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -42,7 +42,7 @@ use std::collections::HashMap;
 use std::error::Error;
 
 #[cfg(feature = "embedded-server")]
-mod server;
+pub mod server;
 
 /// Spell check options
 #[derive(Hash, Debug, Eq, PartialEq)]
diff --git a/src/server.rs b/src/server.rs
index 5305225..ea7f312 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -12,8 +12,13 @@ pub struct EmbeddedServer {
 }
 
 impl EmbeddedServer {
-    /// Start embedded Grammalecte server
+    /// Start embedded Grammalecte server on a random free port
     pub fn start() -> Result<Self, Box<dyn Error>> {
+        Self::start_listen_on_port(get_free_port()?)
+    }
+
+    /// Start embedded Grammalecte server on a given port
+    pub fn start_listen_on_port(port: u16) -> Result<Self, Box<dyn Error>> {
         log::info!("Will start server");
         // First, unpack server
         let dest = mktemp::Temp::new_dir()?;
@@ -34,8 +39,6 @@ impl EmbeddedServer {
             }
         }
 
-        // Get a free port
-        let port = get_free_port()?;
         log::info!("Will start to listen on port {}", port);
 
         let server_file = dest