diff --git a/README.md b/README.md
index 1583228..6f4552a 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ micropb-gen = { version = "0.1", features = ["container-heapless"] }
 fn main() {
     let mut gen = micropb_gen::Generator::new();
     // Compile example.proto into a Rust module
-    gen.compile_protos(&["example.proto"], std::env::var("OUT_DIR").unwrap() + "example.rs").unwrap();
+    gen.compile_protos(&["example.proto"], std::env::var("OUT_DIR").unwrap() + "/example.rs").unwrap();
 }
 ```