diff --git a/llvm/lib/Support/GraphWriter.cpp b/llvm/lib/Support/GraphWriter.cpp
--- a/llvm/lib/Support/GraphWriter.cpp
+++ b/llvm/lib/Support/GraphWriter.cpp
@@ -152,19 +152,6 @@
   std::string ViewerPath;
   GraphSession S;
 
-#ifdef __APPLE__
-  wait &= !ViewBackground;
-  if (S.TryFindProgram("open", ViewerPath)) {
-    std::vector<StringRef> args;
-    args.push_back(ViewerPath);
-    if (wait)
-      args.push_back("-W");
-    args.push_back(Filename);
-    errs() << "Trying 'open' program... ";
-    if (!ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg))
-      return false;
-  }
-#endif
   if (S.TryFindProgram("xdg-open", ViewerPath)) {
     std::vector<StringRef> args;
     args.push_back(ViewerPath);
@@ -197,6 +184,20 @@
     return ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg);
   }
 
+#ifdef __APPLE__
+  wait &= !ViewBackground;
+  if (S.TryFindProgram("open", ViewerPath)) {
+    std::vector<StringRef> args;
+    args.push_back(ViewerPath);
+    if (wait)
+      args.push_back("-W");
+    args.push_back(Filename);
+    errs() << "Trying 'open' program... ";
+    if (!ExecGraphViewer(ViewerPath, args, Filename, wait, ErrMsg))
+      return false;
+  }
+#endif
+
   enum ViewerKind {
     VK_None,
     VK_OSXOpen,