diff --git a/third-party/fizz/src/fizz/client/AsyncFizzClient-inl.h b/third-party/fizz/src/fizz/client/AsyncFizzClient-inl.h
index ed4ee42be7f3b3..6ae4d45bb01f1a 100644
--- a/third-party/fizz/src/fizz/client/AsyncFizzClient-inl.h
+++ b/third-party/fizz/src/fizz/client/AsyncFizzClient-inl.h
@@ -662,8 +662,8 @@ template <typename SM>
 void AsyncFizzClientT<SM>::ActionMoveVisitor::operator()(
     SecretAvailable& secret) {
   fizz_probe_secret_available(
-      secret.secret.secret.size(),
       secret.secret.secret.data(),
+      secret.secret.secret.size(),
       KeyLogWriter::secretToNSSLabel(secret.secret.type)
           .value_or(std::numeric_limits<KeyLogWriter::Label>::max()),
       client_.getClientRandom()->data());
diff --git a/third-party/fizz/src/fizz/server/AsyncFizzServer-inl.h b/third-party/fizz/src/fizz/server/AsyncFizzServer-inl.h
index 5f98d5cfd256f8..62e889b0328183 100644
--- a/third-party/fizz/src/fizz/server/AsyncFizzServer-inl.h
+++ b/third-party/fizz/src/fizz/server/AsyncFizzServer-inl.h
@@ -381,8 +381,8 @@ template <typename SM>
 void AsyncFizzServerT<SM>::ActionMoveVisitor::operator()(
     SecretAvailable& secret) {
   fizz_probe_secret_available(
-      secret.secret.secret.size(),
       secret.secret.secret.data(),
+      secret.secret.secret.size(),
       KeyLogWriter::secretToNSSLabel(secret.secret.type)
           .value_or(std::numeric_limits<KeyLogWriter::Label>::max()),
       server_.getClientRandom()->data());
diff --git a/third-party/fizz/src/fizz/util/Tracing.cpp b/third-party/fizz/src/fizz/util/Tracing.cpp
index 388163614d8fb7..4e91f4a95d9b8c 100644
--- a/third-party/fizz/src/fizz/util/Tracing.cpp
+++ b/third-party/fizz/src/fizz/util/Tracing.cpp
@@ -12,15 +12,15 @@
 namespace fizz {
 extern "C" {
 void fizz_probe_secret_available(
-    long unsigned int secretSize,
     unsigned char* secretData,
+    unsigned char secretSize,
     fizz::KeyLogWriter::Label nssLabel,
     unsigned char* clientRandom) {
   FOLLY_SDT(
       fizz,
       fizz_secret_available,
-      secretSize,
       secretData,
+      secretSize,
       nssLabel,
       clientRandom);
 }
diff --git a/third-party/fizz/src/fizz/util/Tracing.h b/third-party/fizz/src/fizz/util/Tracing.h
index 2275a4cde0b211..75abdc762e75a1 100644
--- a/third-party/fizz/src/fizz/util/Tracing.h
+++ b/third-party/fizz/src/fizz/util/Tracing.h
@@ -13,8 +13,8 @@ namespace fizz {
 
 extern "C" {
 void fizz_probe_secret_available(
-    long unsigned int secretSize,
     unsigned char* secretData,
+    unsigned char secretSize,
     fizz::KeyLogWriter::Label nssLabel,
     unsigned char* clientRandom);
 }