diff --git a/llvm/lib/Transforms/Utils/UnifyLoopExits.cpp b/llvm/lib/Transforms/Utils/UnifyLoopExits.cpp
index 15c951fb1843..8cdb4d670ac0 100644
--- a/llvm/lib/Transforms/Utils/UnifyLoopExits.cpp
+++ b/llvm/lib/Transforms/Utils/UnifyLoopExits.cpp
@@ -183,7 +183,7 @@ static bool unifyLoopExits(DominatorTree &DT, LoopInfo &LI, Loop *L) {
 #if defined(EXPENSIVE_CHECKS)
   assert(DT.verify(DominatorTree::VerificationLevel::Full));
 #else
-  assert(DT.verify(DominatorTree::VerificationLevel::Full));
+  assert(DT.verify(DominatorTree::VerificationLevel::Fast));
 #endif // EXPENSIVE_CHECKS
   L->verifyLoop();