diff --git a/fluent-bit/patches/0003-prepend_length_in_syslog_output.patch b/fluent-bit/patches/0003-prepend_length_in_syslog_output.patch
new file mode 100644
index 000000000..03fca9cef
--- /dev/null
+++ b/fluent-bit/patches/0003-prepend_length_in_syslog_output.patch
@@ -0,0 +1,47 @@
+diff --git a/plugins/out_syslog/syslog.c b/plugins/out_syslog/syslog.c
+index 4ecc7c4ac..cfe568245 100644
+--- a/plugins/out_syslog/syslog.c
++++ b/plugins/out_syslog/syslog.c
+@@ -776,12 +776,42 @@ static flb_sds_t syslog_format(struct flb_syslog *ctx, msgpack_object *o,
+         }
+ 
+         if (ctx->parsed_mode != FLB_SYSLOG_UDP) {
++            unsigned int msg_len = 0;
++
++            /* Create new SDS for length prefix */
++            flb_sds_t prefix = flb_sds_create_size(ctx->maxsize + 32);
++            if (!prefix) {
++                ret_sds = NULL;
++                goto clean;
++            }
++
++            /* Add newline also to make behaviour similar to syslog-ng */
+             tmp = flb_sds_cat(*s, "\n", 1);
+             if (!tmp) {
++                flb_sds_destroy(prefix);
+                 ret_sds = NULL;
+                 goto clean;
+             }
+             *s = tmp;
++
++            msg_len = flb_sds_len(*s);
++            tmp = flb_sds_printf(&prefix, "%u ", msg_len);
++            if (!tmp) {
++                flb_sds_destroy(prefix);
++                ret_sds = NULL;
++                goto clean;
++            }
++            prefix = tmp;
++
++            tmp = flb_sds_cat(prefix, *s, msg_len);
++            if (!tmp) {
++                flb_sds_destroy(prefix);
++                ret_sds = NULL;
++                goto clean;
++            }
++
++            flb_sds_destroy(*s);
++            *s = tmp;
+         }
+     }
+     else {