diff --git a/tests/test.py b/tests/test.py
index ff7973a..8b918c8 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -1,7 +1,7 @@
-import os
+import subprocess
 
 
-os.subprocess.run([
+subprocess.call([
     "../bgb/bgb64.exe",
     "-set \"DebugSrcBrk=1\"",
     "-autoexit",