diff --git a/gen/llvmhelpers.cpp b/gen/llvmhelpers.cpp
index 673c5ad0..713d2482 100644
--- a/gen/llvmhelpers.cpp
+++ b/gen/llvmhelpers.cpp
@@ -1396,7 +1396,10 @@ LLConstant* DtoConstInitializer(Loc loc, Type* type, Initializer* init)
     if (!init)
     {
         Logger::println("const default initializer for %s", type->toChars());
-        _init = DtoConstExpInit(loc, type, type->defaultInit());
+        Expression *initExp = type->defaultInit();
+        if (type->ty == Ttypedef)
+            initExp->type = type; // This carries the typedef type into toConstElem.
+        _init = DtoConstExpInit(loc, type, initExp);
     }
     else if (ExpInitializer* ex = init->isExpInitializer())
     {
diff --git a/gen/toir.cpp b/gen/toir.cpp
index 387ea862..6e5bd2d2 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -3068,7 +3068,12 @@ LLConstant* StructLiteralExp::toConstElem(IRState* p)
 
     // return constant struct
     if (!constType)
-        constType = LLStructType::get(gIR->context(), types);
+    {
+        if (type->ty == Ttypedef) // hack, see DtoConstInitializer.
+            constType = LLStructType::get(gIR->context(), types);
+        else
+            constType = isaStruct(DtoType(type));
+    }
     else if (constType->isOpaque())
         constType->setBody(types);
     return LLConstantStruct::get(constType, llvm::makeArrayRef(constvals));