diff --git a/service/OneService.cpp b/service/OneService.cpp
index abf068b4e..99a608a6a 100644
--- a/service/OneService.cpp
+++ b/service/OneService.cpp
@@ -2386,7 +2386,7 @@ public:
 							Dictionary<4096> nc;
 							nc.load(nlcbuf.c_str());
 							Buffer<1024> allowManaged;
-							if (nc.get("allowManaged", allowManaged) && !allowManaged.empty()) {
+							if (nc.get("allowManaged", allowManaged) && !allowManaged.size() == 0) {
 								std::string addresses (allowManaged.begin(), allowManaged.size());
 								if (allowManaged.size() <= 5) { // untidy parsing for backward compatibility
 									if (allowManaged[0] == '1' || allowManaged[0] == 't' || allowManaged[0] == 'T') {