diff --git a/src/arch/riscv/isa/templates/vector_arith.isa b/src/arch/riscv/isa/templates/vector_arith.isa
index 31d2c26147..33e383b8bf 100644
--- a/src/arch/riscv/isa/templates/vector_arith.isa
+++ b/src/arch/riscv/isa/templates/vector_arith.isa
@@ -1826,7 +1826,7 @@ Fault
 
     auto reduce_loop =
         [&, this](const auto& f, const auto* _, const auto* vs2) {
-            vu tmp_val = Vd[0];
+            vu tmp_val = Vs1[0];
             for (uint32_t i = 0; i < this->microVl; i++) {
                 uint32_t ei = i + vtype_VLMAX(vtype, vlen, true) *
                     this->microIdx;
@@ -1876,7 +1876,7 @@ Fault
 
     auto reduce_loop =
         [&, this](const auto& f, const auto* _, const auto* vs2) {
-            vwu tmp_val = Vd[0];
+            vwu tmp_val = Vs1[0];
             for (uint32_t i = 0; i < this->microVl; i++) {
                 uint32_t ei = i + vtype_VLMAX(vtype, vlen, true) *
                     this->microIdx;
@@ -2230,7 +2230,7 @@ Fault
 
     auto reduce_loop =
         [&, this](const auto& f, const auto* _, const auto* vs2) {
-            vwu tmp_val = Vd[0];
+            vwu tmp_val = Vs1[0];
             for (uint32_t i = 0; i < this->microVl; i++) {
                 uint32_t ei = i + vtype_VLMAX(vtype, vlen, true) *
                     this->microIdx;