diff --git a/src/fop.rs b/src/fop.rs
index b829602..d28a7b0 100644
--- a/src/fop.rs
+++ b/src/fop.rs
@@ -32,18 +32,12 @@ use sysexits::{ EX_DATAERR, EX_IOERR, EX_UNAVAILABLE, EX_USAGE };
 
 fn main() {
 	let argv = args().collect::<Vec<String>>();
-	let mut d = '␞';
+	let mut d = "␞".to_owned();
 	let mut arg_parser = Parser::new(&argv, "d:");
 
 	while let Some(opt) = arg_parser.next() {
 		match opt {
-			Ok(Opt('d', Some(arg))) => {
-				let arg_char = arg.chars().collect::<Vec<char>>();
-				if arg_char.len() > 1 {
-					eprintln!("{}: {}: Not a character.", argv[0], arg);
-					exit(EX_USAGE);
-				} else { d = arg_char[0]; }
-			},
+			Ok(Opt('d', Some(arg))) => d = arg,
 			_ => {},
 		};
 	}
@@ -63,7 +57,7 @@ fn main() {
 
 	let mut buf = String::new();
 	let _ = stdin().read_to_string(&mut buf);
-	let mut fields = buf.split(d).collect::<Vec<&str>>();
+	let mut fields = buf.split(&d).collect::<Vec<&str>>();
 
 	let opts = argv
 		.iter()