diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 0e313a9..f4bf4b7 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -811,7 +811,7 @@
   if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ))
     Opts.UseLibcxx = (strcmp(A->getValue(), "libc++") == 0);
   Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir);
-  Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodule_cache_path);
+  Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodules_cache_path);
   Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash);
 
   for (arg_iterator it = Args.filtered_begin(OPT_fmodules_ignore_macro),