diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index bd8404b..b49813a 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -495,7 +495,10 @@
 
   CmdArgs.push_back("-create");
   assert(Output.isFilename() && "Unexpected lipo output.");
+
+  CmdArgs.push_back("-output");
   CmdArgs.push_back(Output.getFilename());
+
   for (InputInfoList::const_iterator
          it = Inputs.begin(), ie = Inputs.end(); it != ie; ++it) {
     const InputInfo &II = *it;