Update pdns/dnsdist-lua.cc

Co-authored-by: Remi Gacogne <github@coredump.fr>

diff --git a/pdns/dnsdist-lua.cc b/pdns/dnsdist-lua.cc
index a08b6d4ae3259c054c8347a10de6db5c820d5939..2f8d858c9bdb89c0538b168c1c2b75fb1fbea226 100644 (file)
--- a/pdns/dnsdist-lua.cc
+++ b/pdns/dnsdist-lua.cc
@@ -1993,7 +1993,7 @@ static void setupLuaConfig(LuaContext& luaCtx, bool client, bool configCheck)
   luaCtx.writeFunction("setTCPFastOpenKey", [](const std::string& keyString) {
     setLuaSideEffect();
     uint32_t key[4] = {};
-    auto ret = sscanf(keyString.c_str(), "%" SCNx32 "%" SCNx32 "%" SCNx32 "%" SCNx32, &key[0], &key[1], &key[2], &key[3]);
+    auto ret = sscanf(keyString.c_str(), "%" SCNx32 "-%" SCNx32 "-%" SCNx32 "-%" SCNx32, &key[0], &key[1], &key[2], &key[3]);
     if (ret != 4) {
       g_outputBuffer = "Invalid value passed to setTCPFastOpenKey()!\n";
       return;