diff --git a/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp b/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp
index a09da4c5f..0f2cd576a 100644
--- a/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp
+++ b/FEXCore/Source/Interface/Core/OpcodeDispatcher/Vector.cpp
@@ -2171,7 +2171,7 @@ void OpDispatchBuilder::PSIGN(OpcodeArgs, IR::OpSize ElementSize) {
   Ref Dest = LoadSourceFPR(Op, Op->Dest, Op->Flags);
   Ref Res = PSIGNImpl(Op, ElementSize, Dest, Src);
 
-  StoreResultFPR(Op, Res);
+  StoreResult_WithAVXInsert(VectorOpType::SSE, RegClass::FPR, Op, Res);
 }
 
 void OpDispatchBuilder::VPSIGN(OpcodeArgs, IR::OpSize ElementSize) {
diff --git a/unittests/ASM/SSELanePreservation/psignb.asm b/unittests/ASM/SSELanePreservation/psignb.asm
new file mode 100644
index 000000000..6df9c2d00
--- /dev/null
+++ b/unittests/ASM/SSELanePreservation/psignb.asm
@@ -0,0 +1,28 @@
+%ifdef CONFIG
+{
+  "HostFeatures": ["AVX"],
+  "RegData": {
+    "XMM0": ["0xfd14d271553fa4a5", "0x837c338836d0613e", "0xccdbcfc31f3ff0f3", "0x108390defebac4be"],
+    "XMM1": ["0x000043341a2a690b", "0x4549437e4c6a1278", "0", "0"],
+    "XMM2": ["0xc4be43cc1ad6970b", "0x4549bd7eb46a1278", "0xf793ef673dac6e4c", "0xbb7b5b3d85d34271"],
+    "XMM3": ["0x000043cc1ad6970b", "0x4549bd7eb46a1278", "0xf793ef673dac6e4c", "0xbb7b5b3d85d34271"]
+  }
+}
+%endif
+
+vmovaps ymm0, [rel .data]
+vmovaps ymm1, [rel .data + (1 * 32)]
+vmovaps ymm2, [rel .data + (2 * 32)]
+vmovaps ymm3, [rel .data + (3 * 32)]
+
+psignb xmm0, xmm1
+vpsignb xmm1, xmm2, xmm3
+
+hlt
+
+align 32
+.data:
+dq 0xfdecd28fab3fa4a5, 0x7d7ccd8836d09fc2, 0xccdbcfc31f3ff0f3, 0x108390defebac4be
+dq 0x43cc1ad6970b4549, 0xbd7eb46a1278f793, 0xef673dac6e4cbb7b, 0x5b3d85d342718be9
+dq 0xc4be43cc1ad6970b, 0x4549bd7eb46a1278, 0xf793ef673dac6e4c, 0xbb7b5b3d85d34271
+dq 0x000043cc1ad6970b, 0x4549bd7eb46a1278, 0xf793ef673dac6e4c, 0xbb7b5b3d85d34271
diff --git a/unittests/ASM/SSELanePreservation/psignd.asm b/unittests/ASM/SSELanePreservation/psignd.asm
new file mode 100644
index 000000000..22e74e418
--- /dev/null
+++ b/unittests/ASM/SSELanePreservation/psignd.asm
@@ -0,0 +1,28 @@
+%ifdef CONFIG
+{
+  "HostFeatures": ["AVX"],
+  "RegData": {
+    "XMM0": ["0xfdecd28f54c05b5b", "0x8283327836d09fc2", "0xccdbcfc31f3ff0f3", "0x108390defebac4be"],
+    "XMM1": ["0xc4be43cc1ad6970b", "0x4549bd7e4b95ed88", "0", "0"],
+    "XMM2": ["0xc4be43cc1ad6970b", "0x4549bd7eb46a1278", "0xf793ef673dac6e4c", "0xbb7b5b3d85d34271"],
+    "XMM3": ["0x000043cc1ad6970b", "0x4549bd7eb46a1278", "0xf793ef673dac6e4c", "0xbb7b5b3d85d34271"]
+  }
+}
+%endif
+
+vmovaps ymm0, [rel .data]
+vmovaps ymm1, [rel .data + (1 * 32)]
+vmovaps ymm2, [rel .data + (2 * 32)]
+vmovaps ymm3, [rel .data + (3 * 32)]
+
+psignd xmm0, xmm1
+vpsignd xmm1, xmm2, xmm3
+
+hlt
+
+align 32
+.data:
+dq 0xfdecd28fab3fa4a5, 0x7d7ccd8836d09fc2, 0xccdbcfc31f3ff0f3, 0x108390defebac4be
+dq 0x43cc1ad6970b4549, 0xbd7eb46a1278f793, 0xef673dac6e4cbb7b, 0x5b3d85d342718be9
+dq 0xc4be43cc1ad6970b, 0x4549bd7eb46a1278, 0xf793ef673dac6e4c, 0xbb7b5b3d85d34271
+dq 0x000043cc1ad6970b, 0x4549bd7eb46a1278, 0xf793ef673dac6e4c, 0xbb7b5b3d85d34271
diff --git a/unittests/ASM/SSELanePreservation/psignw.asm b/unittests/ASM/SSELanePreservation/psignw.asm
new file mode 100644
index 000000000..68f77036c
--- /dev/null
+++ b/unittests/ASM/SSELanePreservation/psignw.asm
@@ -0,0 +1,28 @@
+%ifdef CONFIG
+{
+  "HostFeatures": ["AVX"],
+  "RegData": {
+    "XMM0": ["0xfdecd28f54c1a4a5", "0x8284327836d0603e", "0xccdbcfc31f3ff0f3", "0x108390defebac4be"],
+    "XMM1": ["0x000043cc1ad668f5", "0x454942824b961278", "0", "0"],
+    "XMM2": ["0xc4be43cc1ad6970b", "0x4549bd7eb46a1278", "0xf793ef673dac6e4c", "0xbb7b5b3d85d34271"],
+    "XMM3": ["0x000043cc1ad6970b", "0x4549bd7eb46a1278", "0xf793ef673dac6e4c", "0xbb7b5b3d85d34271"]
+  }
+}
+%endif
+
+vmovaps ymm0, [rel .data]
+vmovaps ymm1, [rel .data + (1 * 32)]
+vmovaps ymm2, [rel .data + (2 * 32)]
+vmovaps ymm3, [rel .data + (3 * 32)]
+
+psignw xmm0, xmm1
+vpsignw xmm1, xmm2, xmm3
+
+hlt
+
+align 32
+.data:
+dq 0xfdecd28fab3fa4a5, 0x7d7ccd8836d09fc2, 0xccdbcfc31f3ff0f3, 0x108390defebac4be
+dq 0x43cc1ad6970b4549, 0xbd7eb46a1278f793, 0xef673dac6e4cbb7b, 0x5b3d85d342718be9
+dq 0xc4be43cc1ad6970b, 0x4549bd7eb46a1278, 0xf793ef673dac6e4c, 0xbb7b5b3d85d34271
+dq 0x000043cc1ad6970b, 0x4549bd7eb46a1278, 0xf793ef673dac6e4c, 0xbb7b5b3d85d34271