diff --git a/mitmproxy/utils/arg_check.py b/mitmproxy/utils/arg_check.py
index 44ef971ac..e7de8a703 100644
--- a/mitmproxy/utils/arg_check.py
+++ b/mitmproxy/utils/arg_check.py
@@ -97,7 +97,7 @@ REPLACEMENTS = {
     "--cert": "--certs",
     "--insecure": "--ssl-insecure",
     "-c": "-C",
-    "--replace": "--replacements",
+    "--replace": ["--modify-body", "--modify-headers"],
     "--replacements": ["--modify-body", "--modify-headers"],
     "-i": "--intercept",
     "-f": "--view-filter",