diff --git a/script/wasi_testsuite_adapter.py b/script/wasi_testsuite_adapter.py
index 1de02f6..c1b973a 100644
--- a/script/wasi_testsuite_adapter.py
+++ b/script/wasi_testsuite_adapter.py
@@ -16,7 +16,7 @@
 args = parser.parse_args()
 
 if args.version:
-    print(pywasm.version)
+    print('pywasm', pywasm.version)
     sys.exit(0)
 
 runtime = pywasm.core.Runtime()