diff --git a/Makefile.emscripten b/Makefile.emscripten
index bfaa30e..fdb5c73 100644
--- a/Makefile.emscripten
+++ b/Makefile.emscripten
@@ -15,9 +15,10 @@ EMFLAGS := $(EMPORTS)
 EMFLAGS += -O2
 
 EMFLAGS += -s EMTERPRETIFY=1 -s EMTERPRETIFY_ASYNC=1
+EMFLAGS += -s TOTAL_MEMORY=33554432
 
-WASMFLAGS := -s WASM=1 -s ALLOW_MEMORY_GROWTH=1 -s "BINARYEN_TRAP_MODE='allow'"
-ASMJSFLAGS := -s TOTAL_MEMORY=33554432
+WASMFLAGS := -s WASM=1 -s "BINARYEN_TRAP_MODE='allow'"
+ASMJSFLAGS :=
 
 CXX = em++