diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp
index 5d870f07093ec..da56225b2f926 100644
--- a/clang/lib/Sema/SemaInit.cpp
+++ b/clang/lib/Sema/SemaInit.cpp
@@ -6620,7 +6620,7 @@ void InitializationSequence::InitializeFrom(Sema &S,
       // initializer present. However, we only do this for structure types, not
       // union types, because an unitialized field in a union is generally
       // reasonable, especially in C where unions can be used for type punning.
-      if (!Initializer && !Rec->isUnion() && !Rec->isInvalidDecl()) {
+      if (Var && !Initializer && !Rec->isUnion() && !Rec->isInvalidDecl()) {
         if (const FieldDecl *FD = getConstField(Rec)) {
           unsigned DiagID = diag::warn_default_init_const_field_unsafe;
           if (Var->getStorageDuration() == SD_Static ||