diff --git a/demo/src/main.rs b/demo/src/main.rs
index adcdf16..aab5f51 100644
--- a/demo/src/main.rs
+++ b/demo/src/main.rs
@@ -1,3 +1,13 @@
-fn main() {
-    renrs_gui::run("demo.rpy".into());
+use std::env;
+
+fn main() -> Result<(), std::io::Error> {
+    let mut path = env::current_exe()?; // /target/debug/renrs-demo
+    path.pop(); // /target/debug
+    path.pop(); // /target
+    path.pop(); // /
+    path.push("demo/demo.rpy"); // /demo/demo.rpy
+
+    renrs_gui::run(path);
+
+    Ok(())
 }