diff --git a/src/node_os.cc b/src/node_os.cc
index 3fa8584787..f2b449ac0d 100644
--- a/src/node_os.cc
+++ b/src/node_os.cc
@@ -214,6 +214,9 @@ static void GetInterfaceAddresses(const FunctionCallbackInfo<Value>& args) {
     return;
   }
 
+  auto cleanup =
+      OnScopeLeave([&]() { uv_free_interface_addresses(interfaces, count); });
+
   Local<Value> no_scope_id = Integer::New(isolate, -1);
   LocalVector<Value> result(isolate);
   result.reserve(count * 7);
@@ -268,7 +271,6 @@ static void GetInterfaceAddresses(const FunctionCallbackInfo<Value>& args) {
     }
   }
 
-  uv_free_interface_addresses(interfaces, count);
   args.GetReturnValue().Set(Array::New(isolate, result.data(), result.size()));
 }