diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 625931f3917..ab7c798198a 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -383,6 +383,7 @@ void MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) {
   EnsureValidW64UnwindInfo();
   MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo;
   MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, Register, Offset);
+  CurFrame->LastFrameInst = CurFrame->Instructions.size();
   CurFrame->Instructions.push_back(Inst);
 }