1 files changed, 2 insertions, 0 deletions
diff --git a/src/nix.cc b/src/nix.cc
index 4beeb5da8943..704442c313e4 100644
--- a/src/nix.cc
+++ b/src/nix.cc
@@ -372,6 +372,8 @@ void run(Strings args)
             pathArgs = true;
         else if (arg == "--verbose" || arg == "-v")
             verbosity = (Verbosity) ((int) verbosity + 1);
+        else if (arg == "--keep-failed" || arg == "-K")
+            keepFailed = true;
         else if (arg == "--help")
             printHelp();
         else if (arg[0] == '-')