diff --git a/test/default/wasi-test-wrapper.sh b/test/default/wasi-test-wrapper.sh
index 76238fdd..07634efd 100755
--- a/test/default/wasi-test-wrapper.sh
+++ b/test/default/wasi-test-wrapper.sh
@@ -1,4 +1,4 @@
 #! /bin/sh
 
-wasmtime --dir=. "$1"
+wasmtime -o --dir=. "$1"