diff --git a/CodeGen/src/IrLoweringX64.cpp b/CodeGen/src/IrLoweringX64.cpp
index 1546de35..bf82be52 100644
--- a/CodeGen/src/IrLoweringX64.cpp
+++ b/CodeGen/src/IrLoweringX64.cpp
@@ -2237,7 +2237,7 @@ OperandX64 IrLoweringX64::bufferAddrOp(IrOp bufferOp, IrOp indexOp)
 
 RegisterX64 IrLoweringX64::vecOp(IrOp op, ScopedRegX64& tmp)
 {
-    if (FFlag::LuauCodegenVectorOptAnd && FFlag::LuauCodegenVectorTag)
+    if (FFlag::LuauCodegenVectorOptAnd && FFlag::LuauCodegenVectorTag2)
     {
         IrInst source = function.instOp(op);
         CODEGEN_ASSERT(source.cmd != IrCmd::SUBSTITUTE); // we don't process substitutions
@@ -2298,7 +2298,7 @@ OperandX64 IrLoweringX64::vectorAndMaskOp()
 
 OperandX64 IrLoweringX64::vectorOrMaskOp()
 {
-    CODEGEN_ASSERT(!FFlag::LuauCodegenVectorTag);
+    CODEGEN_ASSERT(!FFlag::LuauCodegenVectorTag2);
     if (vectorOrMask.base == noreg)
         vectorOrMask = build.u32x4(0, 0, 0, LUA_TVECTOR);
 
diff --git a/tests/IrLowering.test.cpp b/tests/IrLowering.test.cpp
index 062471a8..31661711 100644
--- a/tests/IrLowering.test.cpp
+++ b/tests/IrLowering.test.cpp
@@ -64,7 +64,6 @@ TEST_SUITE_BEGIN("IrLowering");
 TEST_CASE("VectorReciprocal")
 {
     ScopedFastFlag luauCodegenVectorTag2{FFlag::LuauCodegenVectorTag2, true};
-    ScopedFastFlag luauCodegenVectorTag{FFlag::LuauCodegenVectorTag, true};
 
     CHECK_EQ("\n" + getCodegenAssembly(R"(
 local function vecrcp(a: vector)
@@ -126,7 +125,6 @@ bb_bytecode_1:
 TEST_CASE("VectorAdd")
 {
     ScopedFastFlag luauCodegenVectorTag2{FFlag::LuauCodegenVectorTag2, true};
-    ScopedFastFlag luauCodegenVectorTag{FFlag::LuauCodegenVectorTag, true};
 
     CHECK_EQ("\n" + getCodegenAssembly(R"(
 local function vec3add(a: vector, b: vector)
@@ -155,7 +153,6 @@ bb_bytecode_1:
 TEST_CASE("VectorMinus")
 {
     ScopedFastFlag luauCodegenVectorTag2{FFlag::LuauCodegenVectorTag2, true};
-    ScopedFastFlag luauCodegenVectorTag{FFlag::LuauCodegenVectorTag, true};
 
     CHECK_EQ("\n" + getCodegenAssembly(R"(
 local function vec3minus(a: vector)
@@ -182,7 +179,6 @@ bb_bytecode_1:
 TEST_CASE("VectorSubMulDiv")
 {
     ScopedFastFlag luauCodegenVectorTag2{FFlag::LuauCodegenVectorTag2, true};
-    ScopedFastFlag luauCodegenVectorTag{FFlag::LuauCodegenVectorTag, true};
 
     CHECK_EQ("\n" + getCodegenAssembly(R"(
 local function vec3combo(a: vector, b: vector, c: vector, d: vector)
@@ -257,7 +253,6 @@ bb_bytecode_1:
 TEST_CASE("VectorMulDivMixed")
 {
     ScopedFastFlag luauCodegenVectorTag2{FFlag::LuauCodegenVectorTag2, true};
-    ScopedFastFlag luauCodegenVectorTag{FFlag::LuauCodegenVectorTag, true};
 
     CHECK_EQ("\n" + getCodegenAssembly(R"(
 local function vec3combo(a: vector, b: vector, c: vector, d: vector)