diff --git a/fuzzing/EpollEchoServer.cpp b/fuzzing/EpollEchoServer.cpp
index ba97741..50860ba 100644
--- a/fuzzing/EpollEchoServer.cpp
+++ b/fuzzing/EpollEchoServer.cpp
@@ -65,10 +65,10 @@ void test() {
             .drain = [](auto *ws) {
                 /* Check getBufferedAmount here */
             },
-            .ping = [](auto *ws) {
+            .ping = [](auto *ws, std::string_view) {
 
             },
-            .pong = [](auto *ws) {
+            .pong = [](auto *ws, std::string_view) {
 
             },
             .close = [](auto *ws, int code, std::string_view message) {
diff --git a/fuzzing/EpollHelloWorld.cpp b/fuzzing/EpollHelloWorld.cpp
index 16bcb92..6c60e85 100644
--- a/fuzzing/EpollHelloWorld.cpp
+++ b/fuzzing/EpollHelloWorld.cpp
@@ -80,13 +80,13 @@ void test() {
             .drain = [](auto *ws) {
                 /* Check ws->getBufferedAmount() here */
             },
-            .ping = [](auto *ws) {
+            .ping = [](auto *ws, std::string_view) {
                 /* We use this to trigger the async/wakeup feature */
                 uWS::Loop::get()->defer([]() {
                     /* Do nothing */
                 });
             },
-            .pong = [](auto *ws) {
+            .pong = [](auto *ws, std::string_view) {
                 /* Not implemented yet */
             },
             .close = [](auto *ws, int code, std::string_view message) {