Index: llvm/tools/llvm-rc/Opts.td
===================================================================
--- llvm/tools/llvm-rc/Opts.td
+++ llvm/tools/llvm-rc/Opts.td
@@ -4,7 +4,7 @@
 // These options seem to be important for the tool
 // and should be implemented.
 
-def FILEOUT : Separate<[ "/", "-" ], "FO">,
+def FILEOUT : JoinedOrSeparate<[ "/", "-" ], "FO">,
               HelpText<"Change the output file location.">;
 
 def DEFINE : Separate<[ "/", "-" ], "D">,