diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index d7d38e2..15bc095 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -195,7 +195,9 @@
     static char ID; // Pass ID, replacement for typeid
 
     MachineVerifierPass()
-      : MachineFunctionPass(ID) {}
+      : MachineFunctionPass(ID) {
+        initializeMachineVerifierPassPass(*PassRegistry::getPassRegistry());
+      }
 
     void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.setPreservesAll();