diff --git a/build/toolchain.emscripten.mak b/build/toolchain.emscripten.mak
index 17dae4ed5..7755b4f06 100644
--- a/build/toolchain.emscripten.mak
+++ b/build/toolchain.emscripten.mak
@@ -85,7 +85,7 @@ EMFLAGS += -s ASSERTIONS=1
 EMFLAGS += -s SAFE_HEAP=1
 endif
 
-EMFLAGS += -s MODULARIZE=1 -s 'EXPORT_NAME="Epsilon"'
+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"]'