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-rw-r--r--src/build-remote/build-remote.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/build-remote/build-remote.cc b/src/build-remote/build-remote.cc
index acf571ff1563..388f1e04686a 100644
--- a/src/build-remote/build-remote.cc
+++ b/src/build-remote/build-remote.cc
@@ -150,6 +150,11 @@ int main (int argc, char * * argv)
         auto machines = readConf();
         debug("got %d remote builders", machines.size());
 
+        if (machines.empty()) {
+            std::cerr << "# decline-permanently\n";
+            return;
+        }
+
         string drvPath;
         string storeUri;
         for (string line; getline(cin, line);) {