diff --git a/compiler/dex/quick/mips/target_mips.cc b/compiler/dex/quick/mips/target_mips.cc
index c1a7c99..381c7ce 100644
--- a/compiler/dex/quick/mips/target_mips.cc
+++ b/compiler/dex/quick/mips/target_mips.cc
@@ -98,6 +98,7 @@
     case kHiddenArg: res_reg = rs_rT0; break;
     case kHiddenFpArg: res_reg = RegStorage::InvalidReg(); break;
     case kCount: res_reg = rs_rMIPS_COUNT; break;
+    default: res_reg = RegStorage::InvalidReg();
   }
   return res_reg;
 }