diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 180ce3e..924e5ed 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -974,7 +974,7 @@
   Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
   Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
   Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
-  Opts.CoverageDir = Args.getLastArgValue(OPT_coverage_dir);
+  Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
 
   if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
     llvm::StringRef Name = A->getValue(Args);