diff --git a/cli/src/config.rs b/cli/src/config.rs
index cc586d2..0ac4251 100644
--- a/cli/src/config.rs
+++ b/cli/src/config.rs
@@ -86,7 +86,7 @@ fn runtime(args: &ArgMatches<'static>) -> Result<(RuntimeConfig, Arc<TaggedFilte
 
 	let mut signal = args
 		.value_of("signal")
-		.map(|s| SubSignal::from_str(s))
+		.map(SubSignal::from_str)
 		.transpose()
 		.into_diagnostic()?
 		.unwrap_or(SubSignal::Terminate);