diff --git a/bin-compiler/src/main.rs b/bin-compiler/src/main.rs
index 83de8db5f299cc16fcca761135208c724404efbd..a8567bd6b37ce60434ce8049071f179c88082d04 100644
--- a/bin-compiler/src/main.rs
+++ b/bin-compiler/src/main.rs
@@ -4,7 +4,7 @@ use reowolf_rs as rw;
 fn main() {
     let app = App::new("rwc")
         .author("Henger, M.")
-        .version(env!(CARGO_PKG_VERSION))
+        .version(env!("CARGO_PKG_VERSION"))
         .about("Reowolf compiler")
         .arg(
             Arg::new("input")
@@ -13,6 +13,7 @@ fn main() {
                 .help("input files")
                 .required(true)
                 .takes_value(true)
+                .multiple_occurrences(true)
         );
 
     let app = app.get_matches();