diff --git a/src/nre.nim b/src/nre.nim
index 381c80708..feae0c228 100644
--- a/src/nre.nim
+++ b/src/nre.nim
@@ -15,7 +15,6 @@ let Options: Table[string, int] = {
   "E" : pcre.DOLLAR_ENDONLY,
   "f" : pcre.FIRSTLINE,
   "i" : pcre.CASELESS,
-  "J" : pcre.DUPNAMES,
   "m" : pcre.MULTILINE,
   "N" : pcre.NO_AUTO_CAPTURE,
   "O" : pcre.NO_AUTO_POSSESS,
diff --git a/test/init.nim b/test/init.nim
index a3c9f24fe..eddcd6aca 100644
--- a/test/init.nim
+++ b/test/init.nim
@@ -9,7 +9,7 @@ suite "Test NRE initialization":
   test "correct options":
     expect(SyntaxError):  # ValueError would be bad
       discard initRegex("[0-9]+",
-        "89?AEfiJmNOsUWXxY<any><anycrlf><cr><crlf><lf><bsr_anycrlf><bsr_unicode><js>")
+        "89?AEfimNOsUWXxY<any><anycrlf><cr><crlf><lf><bsr_anycrlf><bsr_unicode><js>")
 
   test "incorrect options":
     expect(KeyError): discard initRegex("[0-9]+", "a")