diff --git a/dbus_cb.cpp b/dbus_cb.cpp
index 0235426..ed150c7 100644
--- a/dbus_cb.cpp
+++ b/dbus_cb.cpp
@@ -131,7 +131,6 @@ int onInterfacesAdded(sd_bus_message* rawMsg, void* userData,
                                        context->addToEidMap(yield, serviceName);
                                        context->networkChangeCallback(
                                            userData, event, yield);
-                                       return 1;
                                    });
             }
         }
@@ -179,7 +178,6 @@ int onInterfacesRemoved(sd_bus_message* rawMsg, void* userData,
                                     event](boost::asio::yield_context yield) {
                                        context->networkChangeCallback(
                                            userData, event, yield);
-                                       return 1;
                                    });
             }
             else
diff --git a/meson.build b/meson.build
index 2302636..a2c991d 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,7 @@ project(
     default_options: [
         'warning_level=3',
         'werror=false',
-        'cpp_std=c++17'
+        'cpp_std=c++20'
     ],
 )