diff --git a/src/parser.rs b/src/parser.rs
index 146f955..017b522 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -40,7 +40,7 @@ impl Display for ParseError {
 
 const WHITESPACE: &str = " \t\r";
 const NAME_START_CHARS: &str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_";
-const NAME_CHARS: &str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789-";
+const NAME_CHARS: &str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789";
 const NUMBER_START_CHARS: &str = "0123456789";
 const NUMBER_CHARS: &str = "0123456789.";
 const NUMBER_HEX_CHARS: &str = "0123456789ABCDEFabcdef";
@@ -867,13 +867,13 @@ macro_rules! lexer_check {
 
 #[test]
 fn test_lexer_names() {
-    let input = "asdf fdsa the-quick-brown-fox jumped_over-the-lazy_dogs";
+    let input = "asdf fdsa the_quick_brown_fox jumped_over_the_lazy_dogs";
     let mut lexer = Lexer::new(input.to_string(), ":testing:");
 
     lexer_check!(lexer, TokenKind::Name, "asdf");
     lexer_check!(lexer, TokenKind::Name, "fdsa");
-    lexer_check!(lexer, TokenKind::Name, "the-quick-brown-fox");
-    lexer_check!(lexer, TokenKind::Name, "jumped_over-the-lazy_dogs");
+    lexer_check!(lexer, TokenKind::Name, "the_quick_brown_fox");
+    lexer_check!(lexer, TokenKind::Name, "jumped_over_the_lazy_dogs");
     assert!(lexer.is_eof());
 }