diff --git a/lib/Target/Mips/MipsFrameLowering.cpp b/lib/Target/Mips/MipsFrameLowering.cpp
index bf37032cebc..3e832cfee32 100644
--- a/lib/Target/Mips/MipsFrameLowering.cpp
+++ b/lib/Target/Mips/MipsFrameLowering.cpp
@@ -338,7 +338,7 @@ void MipsFrameLowering::emitEpilogue(MachineFunction &MF,
 
   unsigned NewReg = 0;
   int NewImm = 0;
-  bool ATUsed;
+  bool ATUsed = false;
 
   // if framepointer enabled, restore it and restore the
   // stack pointer