diff --git a/plugin-counters.c b/plugin-counters.c
index 187bf14..60c30c4 100644
--- a/plugin-counters.c
+++ b/plugin-counters.c
@@ -35,6 +35,15 @@ static const response* init(void)
   return 0;
 }
 
+static const response* helo(str* hostname, str* capabilities)
+{
+  if (!str_cats(capabilities, "SIZE ")) return &resp_oom;
+  if (!str_catu(capabilities, session_getnum("maxdatabytes", 0))) return &resp_oom;
+  if (!str_catc(capabilities, '\n')) return &resp_oom;
+  return 0;
+  (void)hostname;
+}
+
 static const response* reset(void)
 {
   minenv("maxdatabytes", "DATABYTES");
@@ -145,6 +154,7 @@ static const response* end(int fd)
 struct plugin plugin = {
   .version = PLUGIN_VERSION,
   .init = init,
+  .helo = helo,
   .reset = reset,
   .sender = sender,
   .recipient = recipient,
diff --git a/protocol-smtp.c b/protocol-smtp.c
index aa7a4d9..a206adc 100644
--- a/protocol-smtp.c
+++ b/protocol-smtp.c
@@ -397,10 +397,7 @@ static int init(void)
     return 1;
   }
 
-  if (!str_copys(&init_capabilities, "SIZE ")
-      || !str_catu(&init_capabilities, session_getnum("maxdatabytes", 0))
-      || !str_catc(&init_capabilities, '\n')
-      || !str_cats(&init_capabilities, "8BITMIME\nENHANCEDSTATUSCODES\nPIPELINING")) {
+  if (!str_cats(&init_capabilities, "8BITMIME\nENHANCEDSTATUSCODES\nPIPELINING")) {
     respond(&resp_oom);
     return 1;
   }
diff --git a/tests/plugin-reject b/tests/plugin-reject
index 880eb3b..ea1be1e 100644
--- a/tests/plugin-reject
+++ b/tests/plugin-reject
@@ -12,7 +12,6 @@ EOF
 220 local.host mailfront ESMTP^M
 250 local.host^M
 250-local.host^M
-250-SIZE 0^M
 250-8BITMIME^M
 250-ENHANCEDSTATUSCODES^M
 250 PIPELINING^M
@@ -23,7 +22,6 @@ EOF
 220 local.host mailfront ESMTP^M
 250 local.host^M
 250-local.host^M
-250-SIZE 0^M
 250-8BITMIME^M
 250-ENHANCEDSTATUSCODES^M
 250 PIPELINING^M