diff --git a/External/FEXCore/Source/Interface/Core/X86Tables/SecondaryTables.cpp b/External/FEXCore/Source/Interface/Core/X86Tables/SecondaryTables.cpp
index 2a26ebe08..198540dcb 100644
--- a/External/FEXCore/Source/Interface/Core/X86Tables/SecondaryTables.cpp
+++ b/External/FEXCore/Source/Interface/Core/X86Tables/SecondaryTables.cpp
@@ -105,7 +105,7 @@ void InitializeSecondaryTables() {
     {0x6A, 1, X86InstInfo{"PUNPCKHDQ",  TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                                   0, nullptr}},
     {0x6B, 1, X86InstInfo{"PACKSSDW",   TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                                   0, nullptr}},
     {0x6C, 2, X86InstInfo{"",           TYPE_INVALID, FLAGS_NONE,                                                                                       0, nullptr}},
-    {0x6E, 1, X86InstInfo{"MOVD",       TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_SF_SRC_GPR | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                0, nullptr}},
+    {0x6E, 1, X86InstInfo{"MOVD",       TYPE_INST, GenFlagsDstSize(SIZE_64BIT)   | FLAGS_MODRM | FLAGS_SF_SRC_GPR | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                0, nullptr}},
     {0x6F, 1, X86InstInfo{"MOVQ",       TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                                   0, nullptr}},
 
     {0x70, 1, X86InstInfo{"PSHUFW",     TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                                   1, nullptr}},
@@ -117,7 +117,7 @@ void InitializeSecondaryTables() {
     {0x76, 1, X86InstInfo{"PCMPEQD",    TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                         0, nullptr}},
     {0x77, 1, X86InstInfo{"EMMS",       TYPE_INST, FLAGS_NONE,                                                                                    0, nullptr}},
     {0x78, 6, X86InstInfo{"",           TYPE_INVALID, FLAGS_NONE,                                                                                       0, nullptr}},
-    {0x7E, 1, X86InstInfo{"MOVD",       TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_SF_MOD_DST | FLAGS_SF_DST_GPR | FLAGS_XMM_FLAGS | FLAGS_SF_MMX, 0, nullptr}},
+    {0x7E, 1, X86InstInfo{"MOVD",       TYPE_INST, GenFlagsSrcSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_SF_MOD_DST | FLAGS_SF_DST_GPR | FLAGS_XMM_FLAGS | FLAGS_SF_MMX, 0, nullptr}},
     {0x7F, 1, X86InstInfo{"MOVQ",       TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_MODRM | FLAGS_SF_MOD_DST | FLAGS_XMM_FLAGS | FLAGS_SF_MMX,                    0, nullptr}},
 
     {0x80, 1, X86InstInfo{"JO",      TYPE_INST, GenFlagsSameSize(SIZE_64BIT) | FLAGS_SETS_RIP | FLAGS_SRC_SEXT | FLAGS_DISPLACE_SIZE_DIV_2 | FLAGS_NO_OVERLAY,    4, nullptr}},
diff --git a/unittests/ASM/TwoByte/0F_6E.asm b/unittests/ASM/TwoByte/0F_6E.asm
index c9c748406..eb2c4e2f5 100644
--- a/unittests/ASM/TwoByte/0F_6E.asm
+++ b/unittests/ASM/TwoByte/0F_6E.asm
@@ -2,7 +2,9 @@
 {
   "RegData": {
     "MM0": ["0x0000000045464748", "0x0"],
-    "MM1": ["0x5152535455565758", "0x0"]
+    "MM1": ["0x5152535455565758", "0x0"],
+    "MM2": ["0x0000000045464748", "0x0"],
+    "MM3": ["0x5152535455565758", "0x0"]
   },
   "MemoryRegions": {
     "0x100000000": "4096"
@@ -26,9 +28,13 @@ mov rax, 0x0
 mov [rdx + 8 * 4], rax
 mov [rdx + 8 * 5], rax
 
-mov eax, dword [rdx + 8 * 0]
+mov rax, qword [rdx + 8 * 0]
 mov rbx, qword [rdx + 8 * 1]
 
 movd mm0, eax
 movq mm1, rbx
+
+movd mm2, dword [rdx + 8 * 0]
+movq mm3, qword [rdx + 8 * 1]
+
 hlt
diff --git a/unittests/ASM/TwoByte/0F_6E_2.asm b/unittests/ASM/TwoByte/0F_6E_2.asm
new file mode 100644
index 000000000..a51568197
--- /dev/null
+++ b/unittests/ASM/TwoByte/0F_6E_2.asm
@@ -0,0 +1,15 @@
+%ifdef CONFIG
+{
+  "RegData": {
+    "MM0": ["0x0000000045464748", "0x0"],
+    "MM1": ["0x5152535455565758", "0x0"]
+  }
+}
+%endif
+
+mov rax, 0x4142434445464748
+mov rbx, 0x5152535455565758
+
+movd mm0, eax
+movq mm1, rbx
+hlt