diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index 7f5c3775b0fb..9d5a2f18b39a 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -99,7 +99,7 @@ public:
     // Used to point to big endian bytes
     unsigned FullSize;
 
-    switch (Kind) {
+    switch ((unsigned)Kind) {
     case Mips::fixup_Mips_16:
       FullSize = 2;
       break;