diff --git a/src/async_handler.cpp b/src/async_handler.cpp
index b9160a762..b2d781665 100644
--- a/src/async_handler.cpp
+++ b/src/async_handler.cpp
@@ -15,6 +15,7 @@
  * along with EasyRPG Player. If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "web_api.h"
 #include <cstdlib>
 #include <fstream>
 #include <map>
@@ -247,6 +248,7 @@ FileRequestAsync* AsyncHandler::RequestFile(StringView folder_name, StringView f
 	}
 
 	//Output::Debug("Waiting for {}", path);
+	Web_API::OnRequestFile(path);
 
 	return RegisterRequest(std::move(path), std::string(folder_name), std::string(file_name));
 }
diff --git a/src/platform/emscripten/interface.cpp b/src/platform/emscripten/interface.cpp
index ba5a88918..76b8309f4 100644
--- a/src/platform/emscripten/interface.cpp
+++ b/src/platform/emscripten/interface.cpp
@@ -177,6 +177,7 @@ EMSCRIPTEN_BINDINGS(player_interface) {
 		.class_function("setNametagMode", &Emscripten_Interface::SetNametagMode)
 		.class_function("setSessionToken", &Emscripten_Interface::SetSessionToken, emscripten::allow_raw_pointers())
 		.class_function("resetCanvas", &Emscripten_Interface::ResetCanvas)
+		.class_function("preloadFile", &Emscripten_Interface::PreloadFile, emscripten::allow_raw_pointers())
 	;
 
 	emscripten::class_<Emscripten_Interface_Private>("api_private")
diff --git a/src/platform/emscripten/interface.h b/src/platform/emscripten/interface.h
index f2c909e2a..cf1878cf7 100644
--- a/src/platform/emscripten/interface.h
+++ b/src/platform/emscripten/interface.h
@@ -39,6 +39,8 @@ class Emscripten_Interface {
 	static void SetNametagMode(int mode);
 	static void SetSessionToken(std::string t);
 	static bool ResetCanvas();
+
+	static void PreloadFile(std::string dir, std::string path, bool graphic);
 };
 
 class Emscripten_Interface_Private {
diff --git a/src/web_api.cpp b/src/web_api.cpp
index 9b1c4d5d8..b116f8c1e 100644
--- a/src/web_api.cpp
+++ b/src/web_api.cpp
@@ -104,3 +104,9 @@ bool Web_API::ShouldConnectPlayer(std::string_view uuid) {
 	}, uuid.data(), uuid.size());
 	return result == 1;
 }
+
+void Web_API::OnRequestFile(std::string_view path) {
+	EM_ASM({
+		onRequestFile(UTF8ToString($0, $1));
+	}, path.data(), path.size());
+}
diff --git a/src/web_api.h b/src/web_api.h
index cc126dc68..1862d8929 100644
--- a/src/web_api.h
+++ b/src/web_api.h
@@ -25,6 +25,8 @@ namespace Web_API {
 	void ShowToastMessage(std::string_view msg, std::string_view icon);
 
 	bool ShouldConnectPlayer(std::string_view uuid);
+
+	void OnRequestFile(std::string_view path);
 }
 
 #endif