diff --git a/src/Bergamot/Parser.elm b/src/Bergamot/Parser.elm
index f7de8f5..abbbbca 100644
--- a/src/Bergamot/Parser.elm
+++ b/src/Bergamot/Parser.elm
@@ -47,7 +47,7 @@ strLit =
 
 name : Parser String
 name = Parser.variable
-    { start = \c -> Char.isAlphaNum c || c == '_'
+    { start = \c -> Char.isAlpha c || c == '_'
     , inner = \c -> Char.isAlphaNum c || c == '_'
     , reserved = Set.empty
     }