diff --git a/private/react-native-fantom/tester/src/NativeFantom.cpp b/private/react-native-fantom/tester/src/NativeFantom.cpp
index 6cf7afe7da9..5b677922876 100644
--- a/private/react-native-fantom/tester/src/NativeFantom.cpp
+++ b/private/react-native-fantom/tester/src/NativeFantom.cpp
@@ -118,7 +118,7 @@ jsi::Object NativeFantom::getFabricUpdateProps(
 void NativeFantom::enqueueNativeEvent(
     jsi::Runtime& /*runtime*/,
     std::shared_ptr<const ShadowNode> shadowNode,
-    std::string type,
+    const std::string& type,
     const std::optional<folly::dynamic>& payload,
     std::optional<RawEvent::Category> category,
     std::optional<bool> isUnique) {
@@ -285,7 +285,7 @@ void NativeFantom::startJSSamplingProfiler(jsi::Runtime& /*runtime*/) {
 
 void NativeFantom::stopJSSamplingProfilerAndSaveToFile(
     jsi::Runtime& runtime,
-    std::string filePath) {
+    const std::string& filePath) {
   auto* hermesRootAPI =
       jsi::castInterface<hermes::IHermesRootAPI>(hermes::makeHermesRootAPI());
   hermesRootAPI->disableSamplingProfiler();
diff --git a/private/react-native-fantom/tester/src/NativeFantom.h b/private/react-native-fantom/tester/src/NativeFantom.h
index 02ff33a31b0..5870a89751a 100644
--- a/private/react-native-fantom/tester/src/NativeFantom.h
+++ b/private/react-native-fantom/tester/src/NativeFantom.h
@@ -114,7 +114,7 @@ class NativeFantom : public NativeFantomCxxSpec<NativeFantom> {
   void enqueueNativeEvent(
       jsi::Runtime& runtime,
       std::shared_ptr<const ShadowNode> shadowNode,
-      std::string type,
+      const std::string& type,
       const std::optional<folly::dynamic>& payload,
       std::optional<RawEvent::Category> category,
       std::optional<bool> isUnique);
@@ -158,7 +158,7 @@ class NativeFantom : public NativeFantomCxxSpec<NativeFantom> {
 
   void stopJSSamplingProfilerAndSaveToFile(
       jsi::Runtime& runtime,
-      std::string filePath);
+      const std::string& filePath);
 
   void setImageResponse(
       jsi::Runtime& rt,