diff --git a/tempesta_fw/http.c b/tempesta_fw/http.c
index b2c4362e9..33db4bf90 100644
--- a/tempesta_fw/http.c
+++ b/tempesta_fw/http.c
@@ -685,19 +685,18 @@ static int
 tfw_http_add_hdr_110(TfwHttpMsg *hm)
 {
 	int r;
-	static const char const * __read_mostly s_110 = "Response is Stale";
 	TfwVhost *vhost = tfw_vhost_get_default();
 
 	TfwStr rh = {
-#define S_Stale	"Warning: 110 -"
+#define S_Stale	"Warning: 110 - Response is stale"
 		.ptr = (TfwStr []) {
 			{ .ptr = S_Stale, .len = SLEN(S_Stale) },
-			{ .ptr = (void *)s_110,
-			  .len = SLEN(s_110) },
+			{ .ptr = (void *)": ",
+			  .len = 2 },
 			{ .ptr = *this_cpu_ptr(&g_buf),
 			  .len = vhost->hdr_via_len },
 		},
-		.len = SLEN(S_Stale) + SLEN(s_110) + vhost->hdr_via_len,
+		.len = SLEN(S_Stale) + 2 + vhost->hdr_via_len,
 		.eolen = 2,
 		.flags = 3 << TFW_STR_CN_SHIFT
 #undef S_Stale