diff --git a/src/worker/func.h b/src/worker/func.h
index 25006b2..86f2ece 100644
--- a/src/worker/func.h
+++ b/src/worker/func.h
@@ -21,7 +21,7 @@ typedef struct {
     unsigned char in_use: 1, s_keep_alive:1, c_keep_alive:1;
     char cc[3], host[256];
     char req_host[256], err_msg[256];
-    char log_prefix[512];
+    char log_prefix[128];
     char _c_addr[INET6_ADDRSTRLEN + 1], _s_addr[INET6_ADDRSTRLEN + 1];
     long cnx_s, cnx_e, req_s, res_ts, req_e;
     http_req req;
@@ -33,7 +33,7 @@ typedef struct {
     host_config_t *conf;
     FILE *file;
     long content_length;
-    char msg_buf[8192], msg_content[1024];
+    char *msg_buf, *msg_buf_ptr, msg_content[1024];
     proxy_ctx_t *proxy;
 } client_ctx_t;
 
diff --git a/src/worker/local_handler.c b/src/worker/local_handler.c
index 8c5fe53..b039291 100644
--- a/src/worker/local_handler.c
+++ b/src/worker/local_handler.c
@@ -47,10 +47,12 @@ static int local_handler(client_ctx_t *ctx) {
         res->status = http_get_status(200);
         http_add_header_field(&res->hdr, "Content-Type", "message/http");
 
-        ctx->content_length = snprintf(ctx->msg_buf, sizeof(ctx->msg_buf) - ctx->content_length, "%s %s HTTP/%s\r\n", req->method, req->uri, req->version);
+        ctx->msg_buf_ptr = malloc(4096);
+        ctx->msg_buf = ctx->msg_buf_ptr;
+        ctx->content_length = snprintf(ctx->msg_buf, 4096 - ctx->content_length, "%s %s HTTP/%s\r\n", req->method, req->uri, req->version);
         for (int i = 0; i < req->hdr.field_num; i++) {
             const http_field *f = &req->hdr.fields[i];
-            ctx->content_length += snprintf(ctx->msg_buf + ctx->content_length, sizeof(ctx->msg_buf) - ctx->content_length, "%s: %s\r\n", http_field_get_name(f), http_field_get_value(f));
+            ctx->content_length += snprintf(ctx->msg_buf + ctx->content_length, 4096 - ctx->content_length, "%s: %s\r\n", http_field_get_name(f), http_field_get_value(f));
         }
 
         return 0;
diff --git a/src/worker/request_handler.c b/src/worker/request_handler.c
index 8465b64..a88f0bc 100644
--- a/src/worker/request_handler.c
+++ b/src/worker/request_handler.c
@@ -57,7 +57,8 @@ static int request_handler(client_ctx_t *ctx) {
     ctx->use_proxy = 0;
     ctx->proxy = NULL;
     ctx->msg_content[0] = 0;
-    ctx->msg_buf[0] = 0;
+    ctx->msg_buf = NULL;
+    ctx->msg_buf_ptr = NULL;
     ctx->req_host[0] = 0;
     ctx->err_msg[0] = 0;
 
@@ -130,7 +131,7 @@ static int request_handler(client_ctx_t *ctx) {
     info(BLD_STR "%s %s", req->method, req->uri);
 
     if (strcmp(req->uri, "/.sesimos/style.css") == 0 && (strcmp(req->method, "GET") == 0 || strcmp(req->method, "HEAD") == 0)) {
-        memcpy(ctx->msg_buf, http_style_doc, http_style_doc_size);
+        ctx->msg_buf = (char *) http_style_doc;
         ctx->content_length = http_style_doc_size;
         res->status= http_get_status(200);
         http_add_header_field(&res->hdr, "Content-Type", "text/css; charset=UTF-8");
@@ -226,7 +227,7 @@ int respond(client_ctx_t *ctx) {
         if (http_get_header_field(&res->hdr, "Accept-Ranges") == NULL) {
             http_add_header_field(&res->hdr, "Accept-Ranges", "none");
         }
-        if (!ctx->use_fastcgi && ctx->file == NULL && ctx->msg_buf[0] == 0) {
+        if (!ctx->use_fastcgi && ctx->file == NULL && ctx->msg_buf == NULL) {
             http_remove_header_field(&res->hdr, "Date", HTTP_REMOVE_ALL);
             http_remove_header_field(&res->hdr, "Server", HTTP_REMOVE_ALL);
             http_remove_header_field(&res->hdr, "Cache-Control", HTTP_REMOVE_ALL);
@@ -276,9 +277,11 @@ int respond(client_ctx_t *ctx) {
                 proxy_doc = msg_pre_buf_2;
             }
 
+            ctx->msg_buf_ptr = malloc(4096);
+            ctx->msg_buf = ctx->msg_buf_ptr;
             snprintf(msg_pre_buf_1, sizeof(msg_pre_buf_1), http_info->doc,
                      res->status->code, res->status->msg, http_msg != NULL ? http_msg->msg : "", err_msg[0] != 0 ? err_msg : "");
-            ctx->content_length = snprintf(ctx->msg_buf, sizeof(ctx->msg_buf), http_default_doc, res->status->code,
+            ctx->content_length = snprintf(ctx->msg_buf, 4096, http_default_doc, res->status->code,
                                            res->status->msg, msg_pre_buf_1, http_info->mode, http_info->icon, http_info->color, ctx->req_host,
                                            proxy_doc, ctx->msg_content[0] != 0 ? ctx->msg_content : "", SERVER_STR_HTML);
         }
@@ -328,7 +331,7 @@ int respond(client_ctx_t *ctx) {
         // default response
         unsigned long snd_len = 0;
         unsigned long len;
-        if (ctx->msg_buf[0] != 0) {
+        if (ctx->msg_buf != NULL) {
             ret = sock_send(client, ctx->msg_buf, ctx->content_length, 0);
             if (ret <= 0) {
                 error("Unable to send: %s", sock_strerror(client));
@@ -372,6 +375,7 @@ void request_complete(client_ctx_t *ctx) {
     ctx->req_e = clock_micros();
     info("Transfer complete: %s", format_duration(ctx->req_e - ctx->req_s, buf));
 
+    free(ctx->msg_buf_ptr);
     uri_free(&ctx->uri);
     http_free_req(&ctx->req);
     http_free_res(&ctx->res);