diff --git a/js/src/jit/mips64/CodeGenerator-mips64.cpp b/js/src/jit/mips64/CodeGenerator-mips64.cpp
index 2f102a37b194..9f05078eb9ca 100644
--- a/js/src/jit/mips64/CodeGenerator-mips64.cpp
+++ b/js/src/jit/mips64/CodeGenerator-mips64.cpp
@@ -80,6 +80,7 @@ void CodeGenerator::visitUnbox(LUnbox* unbox) {
         break;
       case MIRType::BigInt:
         masm.unboxBigInt(inputReg, result);
+        break;
       default:
         MOZ_CRASH("Given MIRType cannot be unboxed.");
     }
@@ -105,6 +106,7 @@ void CodeGenerator::visitUnbox(LUnbox* unbox) {
       break;
     case MIRType::BigInt:
       masm.unboxBigInt(inputAddr, result);
+      break;
     default:
       MOZ_CRASH("Given MIRType cannot be unboxed.");
   }