diff --git a/lldb/source/Plugins/Instruction/RISCV/EmulateInstructionRISCV.cpp b/lldb/source/Plugins/Instruction/RISCV/EmulateInstructionRISCV.cpp
index 20661290ca4c6..5c1b7d4943b3f 100644
--- a/lldb/source/Plugins/Instruction/RISCV/EmulateInstructionRISCV.cpp
+++ b/lldb/source/Plugins/Instruction/RISCV/EmulateInstructionRISCV.cpp
@@ -804,7 +804,7 @@ class Executor {
     return transformOptional(
                inst.rs1.ReadI64(m_emu),
                [&](int64_t rs1) {
-                 int64_t result = rs1 + int64_t(SignExt(inst.imm));
+                 uint64_t result = rs1 + uint64_t(SignExt(inst.imm));
                  // Check if this is a stack pointer adjustment.
                  if (inst.rd.rd == RISCV_GPR_SP &&
                      inst.rs1.rs == RISCV_GPR_SP) {