diff --git a/build.py b/build.py
index e6ec1402..b3ef2a6c 100644
--- a/build.py
+++ b/build.py
@@ -50,7 +50,7 @@ if "web" in sys.argv:
     os.system(r'''
 rm -rf web/lib/
 mkdir -p web/lib/
-em++ src/main.cpp -fno-rtti -fexceptions -O3 -sEXPORTED_FUNCTIONS=_pkpy_delete,_pkpy_setup_callbacks,_pkpy_new_repl,_pkpy_repl_input,_pkpy_new_vm,_pkpy_vm_add_module,_pkpy_vm_bind,_pkpy_vm_eval,_pkpy_vm_exec,_pkpy_vm_get_global,_pkpy_vm_read_output -sEXPORTED_RUNTIME_METHODS=ccall -o web/lib/pocketpy.js
+em++ src/main.cpp -fno-rtti -fexceptions -O3 -sEXPORTED_FUNCTIONS=_pkpy_delete,_pkpy_new_repl,_pkpy_repl_input,_pkpy_new_vm,_pkpy_vm_add_module,_pkpy_vm_eval,_pkpy_vm_exec,_pkpy_vm_get_global,_pkpy_vm_read_output -sEXPORTED_RUNTIME_METHODS=ccall -o web/lib/pocketpy.js
 ''')
     DONE()