diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc
index dba77293..1dede091 100644
--- a/src/frontend/A64/decoder/a64.inc
+++ b/src/frontend/A64/decoder/a64.inc
@@ -841,7 +841,7 @@ INST(MUL_elt,                "MUL (by element)",                          "0Q001
 //INST(FMLSL_elt_2,            "FMLSL, FMLSL2 (by element)",                "0Q1011111zLMmmmm1100H0nnnnnddddd")
 INST(MLA_elt,                "MLA (by element)",                          "0Q101111zzLMmmmm0000H0nnnnnddddd")
 //INST(UMLAL_elt,              "UMLAL, UMLAL2 (by element)",                "0Q101111zzLMmmmm0010H0nnnnnddddd")
-//INST(MLS_elt,                "MLS (by element)",                          "0Q101111zzLMmmmm0100H0nnnnnddddd")
+INST(MLS_elt,                "MLS (by element)",                          "0Q101111zzLMmmmm0100H0nnnnnddddd")
 //INST(UMLSL_elt,              "UMLSL, UMLSL2 (by element)",                "0Q101111zzLMmmmm0110H0nnnnnddddd")
 //INST(UMULL_elt,              "UMULL, UMULL2 (by element)",                "0Q101111zzLMmmmm1010H0nnnnnddddd")
 //INST(SQRDMLAH_elt_2,         "SQRDMLAH (by element)",                     "0Q101111zzLMmmmm1101H0nnnnnddddd")
diff --git a/src/frontend/A64/translate/impl/impl.h b/src/frontend/A64/translate/impl/impl.h
index 31aa6e65..a467dc00 100644
--- a/src/frontend/A64/translate/impl/impl.h
+++ b/src/frontend/A64/translate/impl/impl.h
@@ -910,7 +910,7 @@ struct TranslatorVisitor final {
     bool FMLSL_elt_2(bool Q, bool sz, bool L, bool M, Vec Vm, bool H, Vec Vn, Vec Vd);
     bool MLA_elt(bool Q, Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vmlo, Imm<1> H, Vec Vn, Vec Vd);
     bool UMLAL_elt(bool Q, Imm<2> size, bool L, bool M, Vec Vm, bool H, Vec Vn, Vec Vd);
-    bool MLS_elt(bool Q, Imm<2> size, bool L, bool M, Vec Vm, bool H, Vec Vn, Vec Vd);
+    bool MLS_elt(bool Q, Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vmlo, Imm<1> H, Vec Vn, Vec Vd);
     bool UMLSL_elt(bool Q, Imm<2> size, bool L, bool M, Vec Vm, bool H, Vec Vn, Vec Vd);
     bool UMULL_elt(bool Q, Imm<2> size, bool L, bool M, Vec Vm, bool H, Vec Vn, Vec Vd);
     bool UDOT_elt(bool Q, Imm<2> size, bool L, bool M, Vec Vm, bool H, Vec Vn, Vec Vd);
diff --git a/src/frontend/A64/translate/impl/simd_vector_x_indexed_element.cpp b/src/frontend/A64/translate/impl/simd_vector_x_indexed_element.cpp
index a633c569..63ac9fda 100644
--- a/src/frontend/A64/translate/impl/simd_vector_x_indexed_element.cpp
+++ b/src/frontend/A64/translate/impl/simd_vector_x_indexed_element.cpp
@@ -20,6 +20,7 @@ std::pair<size_t, Vec> Combine(Imm<2> size, Imm<1> H, Imm<1> L, Imm<1> M, Imm<4>
 enum class ExtraBehavior {
     None,
     Accumulate,
+    Subtract,
 };
 
 void MultiplyByElement(TranslatorVisitor& v, bool Q, Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vmlo, Imm<1> H, Vec Vn, Vec Vd,
@@ -36,6 +37,8 @@ void MultiplyByElement(TranslatorVisitor& v, bool Q, Imm<2> size, Imm<1> L, Imm<
     IR::U128 result = v.ir.VectorMultiply(esize, operand1, operand2);
     if (extra_behavior == ExtraBehavior::Accumulate) {
         result = v.ir.VectorAdd(esize, operand3, result);
+    } else if (extra_behavior == ExtraBehavior::Subtract) {
+        result = v.ir.VectorSub(esize, operand3, result);
     }
 
     v.V(datasize, Vd, result);
@@ -51,6 +54,15 @@ bool TranslatorVisitor::MLA_elt(bool Q, Imm<2> size, Imm<1> L, Imm<1> M, Imm<4>
     return true;
 }
 
+bool TranslatorVisitor::MLS_elt(bool Q, Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vmlo, Imm<1> H, Vec Vn, Vec Vd) {
+    if (size != 0b01 && size != 0b10) {
+        return UnallocatedEncoding();
+    }
+
+    MultiplyByElement(*this, Q, size, L, M, Vmlo, H, Vn, Vd, ExtraBehavior::Subtract);
+    return true;
+}
+
 bool TranslatorVisitor::MUL_elt(bool Q, Imm<2> size, Imm<1> L, Imm<1> M, Imm<4> Vmlo, Imm<1> H, Vec Vn, Vec Vd) {
     if (size != 0b01 && size != 0b10) {
         return UnallocatedEncoding();