diff --git a/src/main.rs b/src/main.rs
index 36772b3..ea4163f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -77,7 +77,7 @@ fn schala_main(languages: Vec<Box<ProgrammingLanguageInterface>>, generators: Ve
   }
 
   if option_matches.opt_present("webapp") {
-    webapp::web_main(languages, generators);
+    webapp::web_main(generators);
     exit(0);
   }
 
diff --git a/src/webapp.rs b/src/webapp.rs
index 1918f55..5d4975e 100644
--- a/src/webapp.rs
+++ b/src/webapp.rs
@@ -32,12 +32,13 @@ struct Output {
 }
 
 #[post("/input", format = "application/json", data = "<input>")]
-fn interpreter_input(input: Json<Input>, schala_gen: State<Vec<PLIGenerator>>) -> Json<Output> {
-  let mut schala: Box<ProgrammingLanguageInterface> = (schala_gen.get(0).unwrap())();
+fn interpreter_input(input: Json<Input>, generators: State<Vec<PLIGenerator>>) -> Json<Output> {
+  let schala_gen = generators.get(0).unwrap();
+  let mut schala: Box<ProgrammingLanguageInterface> = schala_gen();
   let code_output = schala.evaluate_in_repl(&input.source, &EvalOptions::default());
   Json(Output { text: code_output.to_string() })
 }
 
-pub fn web_main(language_generators: Vec<Box<ProgrammingLanguageInterface>>, func: Vec<PLIGenerator>) {
-  rocket::ignite().manage(func).mount("/", routes![index, js_bundle, interpreter_input]).launch();
+pub fn web_main(language_generators: Vec<PLIGenerator>) {
+  rocket::ignite().manage(language_generators).mount("/", routes![index, js_bundle, interpreter_input]).launch();
 }