diff --git a/lib/MC/MCModule.cpp b/lib/MC/MCModule.cpp
index 50bac476fa5..17619d9392e 100644
--- a/lib/MC/MCModule.cpp
+++ b/lib/MC/MCModule.cpp
@@ -19,15 +19,14 @@ static bool AtomComp(const MCAtom *L, uint64_t Addr) {
 }
 
 void MCModule::map(MCAtom *NewAtom) {
-  uint64_t Begin = NewAtom->Begin,
-           End = NewAtom->End;
+  uint64_t Begin = NewAtom->Begin;
 
-  assert(Begin < End && "Creating MCAtom with endpoints reversed?");
+  assert(Begin < NewAtom->End && "Creating MCAtom with endpoints reversed?");
 
   // Check for atoms already covering this range.
   AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
                                             Begin, AtomComp);
-  assert((I == atom_end() || (*I)->getBeginAddr() > End)
+  assert((I == atom_end() || (*I)->getBeginAddr() > NewAtom->End)
          && "Offset range already occupied!");
 
   // Insert the new atom to the list.