diff --git a/scripts/update.py b/scripts/update.py
index 22e6dc68..0aa708a3 100644
--- a/scripts/update.py
+++ b/scripts/update.py
@@ -255,7 +255,7 @@ print(f"Press enter to launch Rack and test the following packages: {manifest_ve
 input()
 try:
 	common.system(f"cd {RACK_SYSTEM_DIR} && ./Rack")
-	common.system(f"cd {RACK_USER_DIR} && grep '\\bwarn|debug\\b' log.txt || true")
+	common.system(f"cd {RACK_USER_DIR} && grep -P '\\bwarn|debug\\b' log.txt || true")
 except:
 	print(f"Rack failed! Enter to continue if desired")