diff --git a/src/avclan/peripheral.hpp b/src/avclan/peripheral.hpp
index 2214087..a690f1d 100644
--- a/src/avclan/peripheral.hpp
+++ b/src/avclan/peripheral.hpp
@@ -143,7 +143,7 @@ private:
       dev.resolvepending();
   }
   template <Device Dev>
-  void device_preroute(Dev dev, const Frame *in, Frame *out) {
+  void device_preroute(Dev &dev, const Frame *in, Frame *out) {
     out->owning_device = Dev::id;
     dev.handle(in, out);
   }
diff --git a/src/sniffer.cc b/src/sniffer.cc
index f0afaf7..e5df446 100644
--- a/src/sniffer.cc
+++ b/src/sniffer.cc
@@ -99,7 +99,7 @@ int main() {
       }
     }
 
-    peripheral.poll_devices([&](auto dev) {
+    peripheral.poll_devices([&](auto &dev) {
       if (auto status = cache.pop()) {
         dev.emit(status.get());
         outgoing.push(std::move(status));