diff --git a/build.rs b/build.rs
index a22d825..d678ca6 100644
--- a/build.rs
+++ b/build.rs
@@ -1,5 +1,5 @@
 fn main() -> std::io::Result<()> {
-    println!("cargo::rerun-if-changed=minicoro/minicoro.c");
+    println!("cargo::rerun-if-changed=minicoro.c");
     cc::Build::new().file("minicoro.c").compile("aminicoro");
     Ok(())
 }