diff --git a/sat/plugins/plugin_comp_ap_gateway/constants.py b/sat/plugins/plugin_comp_ap_gateway/constants.py
index 98b91455..91299e22 100644
--- a/sat/plugins/plugin_comp_ap_gateway/constants.py
+++ b/sat/plugins/plugin_comp_ap_gateway/constants.py
@@ -43,6 +43,7 @@ AP_REQUEST_TYPES = {
     "GET": {TYPE_ACTOR, TYPE_OUTBOX, TYPE_FOLLOWERS, TYPE_FOLLOWING},
     "POST": {"inbox"},
 }
+AP_REQUEST_TYPES["HEAD"] = AP_REQUEST_TYPES["GET"]
 # headers to check for signature
 SIGN_HEADERS = {
     # headers needed for all HTTP methods