diff --git a/src/mgmt/control-response.cpp b/src/mgmt/control-response.cpp
index 9d82d40..3045783 100644
--- a/src/mgmt/control-response.cpp
+++ b/src/mgmt/control-response.cpp
@@ -79,7 +79,7 @@
   if (val == m_wire.elements_end() || val->type() != tlv::nfd::StatusCode) {
     BOOST_THROW_EXCEPTION(Error("missing StatusCode sub-element"));
   }
-  m_code = readNonNegativeInteger(*val);
+  m_code = readNonNegativeIntegerAs<uint32_t>(*val);
   ++val;
 
   if (val == m_wire.elements_end() || val->type() != tlv::nfd::StatusText) {