diff --git a/lib/pleroma/helpers/inet_helper.ex b/lib/pleroma/helpers/inet_helper.ex
index 3500fc679..00e18649e 100644
--- a/lib/pleroma/helpers/inet_helper.ex
+++ b/lib/pleroma/helpers/inet_helper.ex
@@ -25,6 +25,6 @@ def parse_cidr(proxy) when is_binary(proxy) do
         InetCidr.v6?(InetCidr.parse_address!(proxy)) -> proxy <> "/128"
       end
 
-    InetCidr.parse(proxy, true)
+    InetCidr.parse_cidr!(proxy, true)
   end
 end