diff --git a/include/llvm/Support/GraphWriter.h b/include/llvm/Support/GraphWriter.h
index d48dc78cfc2..28fa92f99e0 100644
--- a/include/llvm/Support/GraphWriter.h
+++ b/include/llvm/Support/GraphWriter.h
@@ -149,7 +149,7 @@ public:
     }
 
     std::string edgeSourceLabels;
-    raw_string_ostream::raw_string_ostream EdgeSourceLabels(edgeSourceLabels);
+    raw_string_ostream EdgeSourceLabels(edgeSourceLabels);
     bool hasEdgeSourceLabels = getEdgeSourceLabels(EdgeSourceLabels, Node);
 
     if (hasEdgeSourceLabels) {