diff --git a/ISLE/emscripten/filesystem.cpp b/ISLE/emscripten/filesystem.cpp
index c2bfbc37..e5644608 100644
--- a/ISLE/emscripten/filesystem.cpp
+++ b/ISLE/emscripten/filesystem.cpp
@@ -1,6 +1,7 @@
 #include "filesystem.h"
 
 #include "events.h"
+#include "extensions/siloader.h"
 #include "extensions/textureloader.h"
 #include "legogamestate.h"
 #include "misc.h"
@@ -107,6 +108,14 @@ void Emscripten_SetupFilesystem()
 			Emscripten_SendExtensionProgress("HD Textures", (++i * 100) / sizeOfArray(g_textures));
 		}
 	}
+
+	if (Extensions::SiLoader::enabled) {
+		wasmfs_create_directory("/LEGO/extra", 0644, fetchfs);
+
+		for (const auto& file : Extensions::SiLoader::files) {
+			registerFile(file.c_str());
+		}
+	}
 #endif
 
 	if (GameState()->GetSavePath() && *GameState()->GetSavePath() && !Emscripten_OPFSDisabled()) {
diff --git a/ISLE/isleapp.cpp b/ISLE/isleapp.cpp
index 9ede5d74..1ccc90a8 100644
--- a/ISLE/isleapp.cpp
+++ b/ISLE/isleapp.cpp
@@ -973,6 +973,8 @@ MxResult IsleApp::SetupWindow()
 		return FAILURE;
 	}
 
+	Lego()->LoadSiLoader();
+
 	DetectGameVersion();
 	GameState()->SerializePlayersInfo(LegoStorage::c_read);
 	GameState()->SerializeScoreHistory(LegoStorage::c_read);
diff --git a/LEGO1/lego/legoomni/include/legomain.h b/LEGO1/lego/legoomni/include/legomain.h
index c5cb23af..8fdf9ecb 100644
--- a/LEGO1/lego/legoomni/include/legomain.h
+++ b/LEGO1/lego/legoomni/include/legomain.h
@@ -208,6 +208,7 @@ class LegoOmni : public MxOmni {
 
 	void SetVersion10(MxBool p_version10) { m_version10 = p_version10; }
 	MxBool IsVersion10() { return m_version10; }
+	LEGO1_EXPORT void LoadSiLoader();
 
 	// SYNTHETIC: LEGO1 0x10058b30
 	// SYNTHETIC: BETA10 0x1008f8d0
diff --git a/LEGO1/lego/legoomni/src/main/legomain.cpp b/LEGO1/lego/legoomni/src/main/legomain.cpp
index 04b1dc34..975933ff 100644
--- a/LEGO1/lego/legoomni/src/main/legomain.cpp
+++ b/LEGO1/lego/legoomni/src/main/legomain.cpp
@@ -354,9 +354,6 @@ MxResult LegoOmni::Create(MxOmniCreateParam& p_param)
 	else {
 		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to create MxTransitionManager");
 	}
-
-	Extension<SiLoader>::Call(Load);
-
 done:
 	return result;
 	// LINE: BETA10 0x1008e35d
@@ -728,3 +725,8 @@ void LegoOmni::Resume()
 	MxOmni::Resume();
 	SetAppCursor(e_cursorArrow);
 }
+
+void LegoOmni::LoadSiLoader()
+{
+	Extension<SiLoader>::Call(Load);
+}
diff --git a/extensions/include/extensions/siloader.h b/extensions/include/extensions/siloader.h
index 92cc3bfe..3fc7ab0a 100644
--- a/extensions/include/extensions/siloader.h
+++ b/extensions/include/extensions/siloader.h
@@ -19,10 +19,10 @@ class SiLoader {
 	static bool RemoveWith(StreamObject p_object, LegoWorld* world);
 
 	static std::map<std::string, std::string> options;
+	static std::vector<std::string> files;
 	static bool enabled;
 
 private:
-	static std::vector<std::string> files;
 	static std::vector<std::pair<StreamObject, StreamObject>> startWith;
 	static std::vector<std::pair<StreamObject, StreamObject>> removeWith;
 
diff --git a/extensions/src/siloader.cpp b/extensions/src/siloader.cpp
index 3532fc76..bfbddd88 100644
--- a/extensions/src/siloader.cpp
+++ b/extensions/src/siloader.cpp
@@ -10,24 +10,29 @@
 using namespace Extensions;
 
 std::map<std::string, std::string> SiLoader::options;
+std::vector<std::string> SiLoader::files;
 std::vector<std::pair<SiLoader::StreamObject, SiLoader::StreamObject>> SiLoader::startWith;
 std::vector<std::pair<SiLoader::StreamObject, SiLoader::StreamObject>> SiLoader::removeWith;
 bool SiLoader::enabled = false;
 
 void SiLoader::Initialize()
-{
-}
-
-bool SiLoader::Load()
 {
 	char* files = SDL_strdup(options["si loader:files"].c_str());
 	char* saveptr;
 
 	for (char* file = SDL_strtok_r(files, ",\n", &saveptr); file; file = SDL_strtok_r(NULL, ",\n", &saveptr)) {
-		LoadFile(file);
+		SiLoader::files.emplace_back(file);
 	}
 
 	SDL_free(files);
+}
+
+bool SiLoader::Load()
+{
+	for (const auto& file : files) {
+		LoadFile(file.c_str());
+	}
+
 	return true;
 }