diff --git a/lips/Muncher.lua b/lips/Muncher.lua
index 42cefd4..db54263 100644
--- a/lips/Muncher.lua
+++ b/lips/Muncher.lua
@@ -115,12 +115,12 @@ function Muncher:const(relative, no_label)
     if no_label and self.tt == 'LABELSYM' then
         self:error('labels are not allowed here')
     end
+    local t = self:token(self.t)
     if relative and self.tt == 'LABELSYM' then
-        self.tt = 'LABELREL'
+        t.tt = 'LABELREL'
     end
-    local t = self.t
     self:advance()
-    return self:token(t)
+    return t
 end
 
 function Muncher:special()
diff --git a/lips/Parser.lua b/lips/Parser.lua
index f68faac..e16e933 100644
--- a/lips/Parser.lua
+++ b/lips/Parser.lua
@@ -58,7 +58,7 @@ function Parser:directive()
         -- noop, handled by lexer
     elseif name == 'ASCII' or name == 'ASCIIZ' then
         local bytes = self:string()
-        for i, number in ipairs(bytes) do
+        for i, number in ipairs(bytes.tok) do
             add('BYTE', number)
         end
         if name == 'ASCIIZ' then