diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp
index ef02318..5e983ad 100644
--- a/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/lib/Transforms/Scalar/JumpThreading.cpp
@@ -2433,7 +2433,7 @@
   //  |-----
   //  v
   // BB
-  BranchInst *PredTerm = dyn_cast<BranchInst>(Pred->getTerminator());
+  BranchInst *PredTerm = cast<BranchInst>(Pred->getTerminator());
   BasicBlock *NewBB = BasicBlock::Create(BB->getContext(), "select.unfold",
                                          BB->getParent(), BB);
   // Move the unconditional branch to NewBB.