diff --git a/External/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp b/External/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
index adf626d35..39f6df2e3 100644
--- a/External/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
+++ b/External/FEXCore/Source/Interface/Core/OpcodeDispatcher.cpp
@@ -5961,6 +5961,7 @@ void OpDispatchBuilder::InstallHostSpecificOpcodeHandlers() {
 
     {OPD(2, 0b01, 0x20), 1, &OpDispatchBuilder::AVXExtendVectorElements<1, 2, true>},
     {OPD(2, 0b01, 0x21), 1, &OpDispatchBuilder::AVXExtendVectorElements<1, 4, true>},
+    {OPD(2, 0b01, 0x22), 1, &OpDispatchBuilder::AVXExtendVectorElements<1, 8, true>},
 
     {OPD(2, 0b01, 0x29), 1, &OpDispatchBuilder::AVXVectorALUOp<IR::OP_VCMPEQ, 8>},
     {OPD(2, 0b01, 0x2A), 1, &OpDispatchBuilder::VMOVVectorNTOp},
diff --git a/External/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp b/External/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp
index d2c7d3ccb..d539fc2b5 100644
--- a/External/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp
+++ b/External/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp
@@ -2704,6 +2704,8 @@ template
 void OpDispatchBuilder::AVXExtendVectorElements<1, 2, true>(OpcodeArgs);
 template
 void OpDispatchBuilder::AVXExtendVectorElements<1, 4, true>(OpcodeArgs);
+template
+void OpDispatchBuilder::AVXExtendVectorElements<1, 8, true>(OpcodeArgs);
 
 OrderedNode* OpDispatchBuilder::VectorRoundImpl(OpcodeArgs, size_t ElementSize,
                                                 OrderedNode *Src, uint64_t Mode) {
diff --git a/External/FEXCore/Source/Interface/Core/X86Tables/VEXTables.cpp b/External/FEXCore/Source/Interface/Core/X86Tables/VEXTables.cpp
index d4b92e326..affde2029 100644
--- a/External/FEXCore/Source/Interface/Core/X86Tables/VEXTables.cpp
+++ b/External/FEXCore/Source/Interface/Core/X86Tables/VEXTables.cpp
@@ -291,7 +291,7 @@ void InitializeVEXTables() {
 
     {OPD(2, 0b01, 0x20), 1, X86InstInfo{"VPMOVSXBW", TYPE_INST, GenFlagsSizes(SIZE_128BIT, SIZE_64BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS, 0, nullptr}},
     {OPD(2, 0b01, 0x21), 1, X86InstInfo{"VPMOVSXBD", TYPE_INST, GenFlagsSizes(SIZE_128BIT, SIZE_32BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS, 0, nullptr}},
-    {OPD(2, 0b01, 0x22), 1, X86InstInfo{"VPMOVSXBQ", TYPE_UNDEC, FLAGS_NONE, 0, nullptr}},
+    {OPD(2, 0b01, 0x22), 1, X86InstInfo{"VPMOVSXBQ", TYPE_INST, GenFlagsSizes(SIZE_128BIT, SIZE_16BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS, 0, nullptr}},
     {OPD(2, 0b01, 0x23), 1, X86InstInfo{"VPMOVSXWD", TYPE_UNDEC, FLAGS_NONE, 0, nullptr}},
     {OPD(2, 0b01, 0x24), 1, X86InstInfo{"VPMOVSXWQ", TYPE_UNDEC, FLAGS_NONE, 0, nullptr}},
     {OPD(2, 0b01, 0x25), 1, X86InstInfo{"VPMOVSXDQ", TYPE_UNDEC, FLAGS_NONE, 0, nullptr}},
diff --git a/unittests/ASM/VEX/vpmovsxbq.asm b/unittests/ASM/VEX/vpmovsxbq.asm
new file mode 100644
index 000000000..423f76616
--- /dev/null
+++ b/unittests/ASM/VEX/vpmovsxbq.asm
@@ -0,0 +1,33 @@
+%ifdef CONFIG
+{
+  "HostFeatures": ["AVX"],
+  "RegData": {
+    "XMM0": ["0x4142434485868788", "0x5152535455565758", "0x4142434485868788", "0x5152535455565758"],
+    "XMM1": ["0xFFFFFFFFFFFFFF88", "0xFFFFFFFFFFFFFF87", "0x0000000000000000", "0x0000000000000000"],
+    "XMM2": ["0xFFFFFFFFFFFFFF88", "0xFFFFFFFFFFFFFF87", "0xFFFFFFFFFFFFFF86", "0xFFFFFFFFFFFFFF85"],
+    "XMM3": ["0xFFFFFFFFFFFFFF88", "0xFFFFFFFFFFFFFF87", "0x0000000000000000", "0x0000000000000000"],
+    "XMM4": ["0xFFFFFFFFFFFFFF88", "0xFFFFFFFFFFFFFF87", "0xFFFFFFFFFFFFFF86", "0xFFFFFFFFFFFFFF85"]
+  }
+}
+%endif
+
+lea rdx, [rel .data]
+
+vmovapd ymm0, [rdx]
+
+; Memory operands
+vpmovsxbq xmm1, [rdx]
+vpmovsxbq ymm2, [rdx]
+
+; Register only
+vpmovsxbq xmm3, xmm0
+vpmovsxbq ymm4, xmm0
+
+hlt
+
+align 32
+.data:
+dq 0x4142434485868788
+dq 0x5152535455565758
+dq 0x4142434485868788
+dq 0x5152535455565758