diff --git a/src/compiler.rs b/src/compiler.rs
index 1510f7a..78d9140 100644
--- a/src/compiler.rs
+++ b/src/compiler.rs
@@ -69,13 +69,13 @@ fn build_dir(root: &Path, base_src: &Path, current_dir: &Path, out_dir: &Path) {
             continue;
         }
 
-        // skip non-mist files
+        let relative = path.strip_prefix(base_src).unwrap();
+
         if path.extension().and_then(|e| e.to_str()) != Some("mist") {
+            fs::copy(&path, out_dir.join(relative)).expect("Failed to copy non-mist file");
             continue;
         }
 
-        let relative = path.strip_prefix(base_src).unwrap();
-
         let output_path = out_dir.join(relative).with_extension("rs");
 
         // create parent directories