1 files changed, 3 insertions, 0 deletions
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc
index b327793e7..f0ce0368a 100644
--- a/src/nix-store/nix-store.cc
+++ b/src/nix-store/nix-store.cc
@@ -801,6 +801,9 @@ static void opServe(Strings opFlags, Strings opArgs)
             settings.enforceDeterminism = readInt(in);
             settings.runDiffHook = true;
         }
+        if (GET_PROTOCOL_MINOR(clientVersion) >= 7) {
+            settings.keepFailed = (bool) readInt(in);
+        }
         settings.printRepeatedBuilds = false;
     };