diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 1be75c8..2cb5c60 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -1191,7 +1191,7 @@
   Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
   Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);
   Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG);
-  Opts.GraphvizOutputFile = Args.getLastArgValue(OPT_dependency_graphviz);
+  Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot);
 }
 
 static bool ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,