diff --git a/src/arch/gcn3/insts/instructions.cc b/src/arch/gcn3/insts/instructions.cc
index 6e81e2cd9f..955d8013d2 100644
--- a/src/arch/gcn3/insts/instructions.cc
+++ b/src/arch/gcn3/insts/instructions.cc
@@ -32206,7 +32206,7 @@ namespace Gcn3ISA
     Inst_DS__DS_READ2ST64_B32::completeAcc(GPUDynInstPtr gpuDynInst)
     {
         VecOperandU32 vdst0(gpuDynInst, extData.VDST);
-        VecOperandU32 vdst1(gpuDynInst, extData.VDST + 2);
+        VecOperandU32 vdst1(gpuDynInst, extData.VDST + 1);
 
         for (int lane = 0; lane < NumVecElemPerVecReg; ++lane) {
             if (gpuDynInst->exec_mask[lane]) {