diff --git a/par-greeter/greeting/Config.toml b/par-greeter/greeting/Config.toml
index 1e50d2a..2e740e3 100644
--- a/par-greeter/greeting/Config.toml
+++ b/par-greeter/greeting/Config.toml
@@ -1,6 +1,6 @@
 modules_dir = "artifacts/"
 
 [[module]]
-    name = "echo-service"
+    name = "greeting"
     mem_pages_count = 1
     logger_enabled = false
diff --git a/par-greeter/greeting/build.sh b/par-greeter/greeting/build.sh
index 519974f..85d5c2d 100755
--- a/par-greeter/greeting/build.sh
+++ b/par-greeter/greeting/build.sh
@@ -5,5 +5,5 @@ mkdir -p artifacts
 cargo update
 fce build --release
 
-rm artifacts/*
+rm -f artifacts/*.wasm
 cp target/wasm32-wasi/release/greeting.wasm artifacts/
diff --git a/par-greeter/greeting/src/main.rs b/par-greeter/greeting/src/main.rs
index bfee80e..769982f 100644
--- a/par-greeter/greeting/src/main.rs
+++ b/par-greeter/greeting/src/main.rs
@@ -22,6 +22,9 @@ module_manifest!();
 pub fn main() {}
 
 #[fce]
-pub fn greeting(name: String) -> String {
-    format!("Hi, {}", name)
+pub fn greeting(name: String, greeter: bool) -> String {
+    match greeter {
+        true => format!("Hi, {}", name),
+        false => format!("Bye, {}", name),
+    }
 }