diff --git a/gen/dvalue.h b/gen/dvalue.h
index 8755997d..0a32aa9e 100644
--- a/gen/dvalue.h
+++ b/gen/dvalue.h
@@ -37,7 +37,7 @@ struct DComplexValue;
 // base class for d-values
 struct DValue : Object
 {
-    virtual Type* getType() = 0;
+    virtual Type*& getType() = 0;
 
     virtual LLValue* getLVal() { assert(0); return 0; }
     virtual LLValue* getRVal() { assert(0); return 0; }
@@ -75,7 +75,7 @@ struct DImValue : DValue
 
     virtual LLValue* getRVal() { assert(val); return val; }
 
-    virtual Type* getType() { assert(type); return type; }
+    virtual Type*& getType() { assert(type); return type; }
     virtual DImValue* isIm() { return this; }
 
     virtual bool inPlace() { return inplace; }
@@ -91,7 +91,7 @@ struct DConstValue : DValue
 
     virtual LLValue* getRVal();
 
-    virtual Type* getType() { assert(type); return type; }
+    virtual Type*& getType() { assert(type); return type; }
     virtual DConstValue* isConst() { return this; }
 };
 
@@ -119,7 +119,7 @@ struct DVarValue : DValue
     virtual LLValue* getLVal();
     virtual LLValue* getRVal();
 
-    virtual Type* getType() { assert(type); return type; }
+    virtual Type*& getType() { assert(type); return type; }
     virtual DVarValue* isVar() { return this; }
 };
 
@@ -146,7 +146,7 @@ struct DSliceValue : DValue
 
     DSliceValue(Type* t, LLValue* l, LLValue* p) { type=t; ptr=p; len=l; }
 
-    virtual Type* getType() { assert(type); return type; }
+    virtual Type*& getType() { assert(type); return type; }
     virtual DSliceValue* isSlice() { return this; }
 };
 
@@ -162,7 +162,7 @@ struct DFuncValue : DValue
 
     virtual LLValue* getRVal();
 
-    virtual Type* getType() { assert(type); return type; }
+    virtual Type*& getType() { assert(type); return type; }
     virtual DFuncValue* isFunc() { return this; }
 };
 
@@ -181,9 +181,9 @@ struct DLRValue : DValue
     virtual LLValue* getLVal() { return lvalue->isLVal() ? lvalue->getLVal() : lvalue->getRVal(); }
     virtual LLValue* getRVal() { return rvalue->getRVal(); }
 
-    Type* getLType() { return lvalue->getType(); }
-    Type* getRType() { return rvalue->getType(); }
-    virtual Type* getType() { return getRType(); }
+    Type*& getLType() { return lvalue->getType(); }
+    Type*& getRType() { return rvalue->getType(); }
+    virtual Type*& getType() { return getRType(); }
     virtual DLRValue* isLRValue() { return this; }
 };
 
@@ -200,7 +200,7 @@ struct DComplexValue : DValue
         im = i;
     }
 
-    virtual Type* getType() { assert(type); return type; }
+    virtual Type*& getType() { assert(type); return type; }
     virtual DComplexValue* isComplex() { return this; }
 };
 
diff --git a/gen/toir.cpp b/gen/toir.cpp
index 4e1f6632..4a8edb5e 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -1250,6 +1250,8 @@ DValue* CastExp::toElem(IRState* p)
 
     DValue* u = e1->toElem(p);
     DValue* v = DtoCast(u, to);
+    // force d type to this->type
+    v->getType() = type;
 
     if (v->isSlice()) {
         // only valid as rvalue!