diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 6f62489..c696548 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -813,8 +813,8 @@
 def _static : Flag<"--static">, Alias<static>;
 def _std_EQ : Joined<"--std=">, Alias<std_EQ>;
 def _std : Separate<"--std">, Alias<std_EQ>;
-def _stdlib_EQ : Joined<"--stdlib=">, Alias<std_EQ>;
-def _stdlib : Separate<"--stdlib">, Alias<std_EQ>;
+def _stdlib_EQ : Joined<"--stdlib=">, Alias<stdlib_EQ>;
+def _stdlib : Separate<"--stdlib">, Alias<stdlib_EQ>;
 def _sysroot_EQ : Joined<"--sysroot=">;
 def _sysroot : Separate<"--sysroot">, Alias<_sysroot_EQ>;
 def _target_help : Flag<"--target-help">;