diff --git a/api/opusnt.py b/api/opusnt.py
index 95dcf22..bed3d73 100644
--- a/api/opusnt.py
+++ b/api/opusnt.py
@@ -66,7 +66,7 @@ def runReg(cmd,check = True):
 			else:
 				cmdStr = " ".join(cmd)
 				cmdProc = subprocess.Popen(["cmd.exe"],stdin=subprocess.PIPE,stdout=subprocess.DEVNULL)
-				cmdProc.stdin.write((cmdStr + "\nexit\n").encode("utf-8"))
+				cmdProc.stdin.write((cmdStr + "\nexit %errorlevel%\n").encode("utf-8"))
 				cmdProc.stdin.flush()
 				rtn = cmdProc.wait()
 				if rtn != 0: raise Exception
@@ -265,4 +265,4 @@ def applyRegmap(rp):
 	for path in target["regmap"]:
 		if rp.startswith(path):
 			return rp.replace(path,target["regmap"][path],1)
-	return rp
\ No newline at end of file
+	return rp