diff --git a/src/main.rs b/src/main.rs
index 89f4ff2..5549413 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -270,11 +270,10 @@ fn run_chip(args: ArgRun, target: &mut PhysicalTarget) -> Result<(), Error> {
 	let source_file = build_dir.join(&source_file_name);
 	let output_file = source_file.with_extension("ihx");
 
-	let cmd = Some(OsString::from(format!("sdcc \"{}\"", source_file_name.to_string_lossy())));
+	let cmd = Some(OsString::from(format!("sdcc \"{}\"", args.path.canonicalize()?.to_string_lossy())));
 	let cmd_path = Some(build_dir.clone());
 
 	std::fs::create_dir_all(build_dir)?;
-	std::fs::copy(args.path, &source_file)?;
 
 	write_chip(ArgWrite {
 		path: output_file.into_os_string(),