diff --git a/lib/CodeGen/WinEHPrepare.cpp b/lib/CodeGen/WinEHPrepare.cpp
index db91c02ee46..2c72a556f75 100644
--- a/lib/CodeGen/WinEHPrepare.cpp
+++ b/lib/CodeGen/WinEHPrepare.cpp
@@ -934,6 +934,7 @@ bool WinEHPrepare::prepareExceptionHandlers(
   CleanupHandlerMap.clear();
   HandlerToParentFP.clear();
   DT = nullptr;
+  SEHExceptionCodeSlot = nullptr;
 
   return HandlersOutlined;
 }