diff --git a/acme.sh b/acme.sh
index 757ed7a5..bdc1bfcf 100755
--- a/acme.sh
+++ b/acme.sh
@@ -1942,7 +1942,7 @@ _get() {
     fi
     _debug "_CURL" "$_CURL"
     if [ "$onlyheader" ]; then
-      $_CURL -I --user-agent "$USER_AGENT" -H "$_H1" -H "$_H2" -H "$_H3" -H "$_H4" -H "$_H5" "$url"
+      $_CURL -X GET -I --user-agent "$USER_AGENT" -H "$_H1" -H "$_H2" -H "$_H3" -H "$_H4" -H "$_H5" "$url"
     else
       $_CURL --user-agent "$USER_AGENT" -H "$_H1" -H "$_H2" -H "$_H3" -H "$_H4" -H "$_H5" "$url"
     fi