diff --git a/VM/src/ldebug.cpp b/VM/src/ldebug.cpp
index 44da57c2b..2f53f4d3e 100644
--- a/VM/src/ldebug.cpp
+++ b/VM/src/ldebug.cpp
@@ -12,6 +12,8 @@
 #include <string.h>
 #include <stdio.h>
 
+LUAU_FASTFLAGVARIABLE(LuauActivationRecordStopDeadnaming)
+
 static const char* getfuncname(Closure* f);
 
 static int currentpc(lua_State* L, CallInfo* ci)
@@ -121,7 +123,10 @@ static Closure* auxgetinfo(lua_State* L, const char* what, lua_Debug* ar, Closur
             {
                 TString* source = f->l.p->source;
                 ar->source = getstr(source);
-                ar->what = "Lua";
+                if (FFlag::LuauActivationRecordStopDeadnaming)
+                    ar->what = "Luau";
+                else
+                    ar->what = "Lua";
                 ar->linedefined = f->l.p->linedefined;
                 ar->short_src = luaO_chunkid(ar->ssbuf, sizeof(ar->ssbuf), getstr(source), source->len);
             }
diff --git a/tests/Conformance.test.cpp b/tests/Conformance.test.cpp
index 04a996f6b..f60b04052 100644
--- a/tests/Conformance.test.cpp
+++ b/tests/Conformance.test.cpp
@@ -46,6 +46,7 @@ LUAU_FASTFLAG(LuauMathIsNanInfFinite)
 LUAU_FASTFLAG(LuauCompileMathIsNanInfFinite)
 LUAU_FASTFLAG(LuauTypeCheckerMathIsNanInfFinite)
 LUAU_FASTFLAG(LuauCodegenChainedSpills)
+LUAU_FASTFLAG(LuauActivationRecordStopDeadnaming)
 
 static lua_CompileOptions defaultOptions()
 {
@@ -2499,11 +2500,14 @@ TEST_CASE("IfElseExpression")
 // Optionally returns debug info for the first Luau stack frame that is encountered on the callstack.
 static std::optional<lua_Debug> getFirstLuauFrameDebugInfo(lua_State* L)
 {
-    static std::string_view kLua = "Lua";
+    static std::string_view kLuau = "Lua";
+    if (FFlag::LuauActivationRecordStopDeadnaming)
+        kLuau = "Luau";
+
     lua_Debug ar;
     for (int i = 0; lua_getinfo(L, i, "sl", &ar); i++)
     {
-        if (kLua == ar.what)
+        if (kLuau == ar.what)
             return ar;
     }
     return std::nullopt;