diff --git a/src_v2/parser/parser_internals.nim b/src_v2/parser/parser_internals.nim
index b64eb5f..28dd8a2 100644
--- a/src_v2/parser/parser_internals.nim
+++ b/src_v2/parser/parser_internals.nim
@@ -253,6 +253,7 @@ when isMainModule:
     let chDigits = ch(Digits)
 
     assert testParser123.flatMap(ch1).tokensToString() == "1"
+    assert testParser123.flatMap(anyCh).tokensToString() == "1"
     assert testParser123.flatMap(chDigits).tokensToString() == "1"
 
     # Mismatch