diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 00f86577562..b2e0cb761f7 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -91,7 +91,7 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
              dyn_cast<ExternalSymbolSDNode>(Node)) {
     Op += "'" + std::string(ES->getSymbol()) + "'";
   } else if (const MVTSDNode *M = dyn_cast<MVTSDNode>(Node)) {
-    Op = Op + "ty=" + MVT::getValueTypeString(M->getExtraValueType());
+    Op = Op + " ty=" + MVT::getValueTypeString(M->getExtraValueType());
   }
   return Op;
 }