diff --git a/build/toolchain.emscripten.mak b/build/toolchain.emscripten.mak
index a1d07171a..6bf5ec615 100644
--- a/build/toolchain.emscripten.mak
+++ b/build/toolchain.emscripten.mak
@@ -113,4 +113,4 @@ endif
 EMFLAGS += -s WASM=0 -s MODULARIZE=1 -s 'EXPORT_NAME="Epsilon"'
 
 SFLAGS += $(EMFLAGS)
-LDFLAGS += $(EMFLAGS) -Oz -s EXPORTED_FUNCTIONS='["_main", "_IonEventsEmscriptenKeyDown", "_IonEventsEmscriptenKeyUp", "_IonEventsEmscriptenPushEvent", "_IonSoftwareVersion", "_IonPatchLevel"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='["Pointer_stringify"]'
+LDFLAGS += $(EMFLAGS) -Oz -s EXPORTED_FUNCTIONS='["_main", "_IonEventsEmscriptenKeyDown", "_IonEventsEmscriptenKeyUp", "_IonEventsEmscriptenPushEvent", "_IonSoftwareVersion", "_IonPatchLevel"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='["UTF8ToString"]'