diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index e5be62d..f539596 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -214,9 +214,8 @@
     // Scan the operands of this machine instruction, replacing any uses of Old
     // with New.
     for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i)
-      if (I->getOperand(i).isMachineBasicBlock() &&
-          I->getOperand(i).getMachineBasicBlock() == Old)
-        I->getOperand(i).setMachineBasicBlock(New);
+      if (I->getOperand(i).isMBB() && I->getOperand(i).getMBB() == Old)
+        I->getOperand(i).setMBB(New);
   }
 
   // Update the successor information.  If New was already a successor, just