diff --git a/bin/varnishd/http2/cache_http2_hpack.c b/bin/varnishd/http2/cache_http2_hpack.c
index c4274a65670..5f6f34cf7f6 100644
--- a/bin/varnishd/http2/cache_http2_hpack.c
+++ b/bin/varnishd/http2/cache_http2_hpack.c
@@ -40,7 +40,7 @@
 #include "vct.h"
 
 static void
-h2h_assert_ready(struct h2h_decode *d)
+h2h_assert_ready(const struct h2h_decode *d)
 {
 
 	CHECK_OBJ_NOTNULL(d, H2H_DECODE_MAGIC);
@@ -280,7 +280,8 @@ h2h_decode_init(const struct h2_sess *h2)
 	d->reset = d->out;
 
 	if (cache_param->h2_max_header_list_size == 0)
-		d->limit = h2->local_settings.max_header_list_size * 1.5;
+		d->limit =
+		    (long)(h2->local_settings.max_header_list_size * 1.5);
 	else
 		d->limit = cache_param->h2_max_header_list_size;
 
diff --git a/bin/varnishd/http2/cache_http2_panic.c b/bin/varnishd/http2/cache_http2_panic.c
index 06ea40c1554..227097e6b4d 100644
--- a/bin/varnishd/http2/cache_http2_panic.c
+++ b/bin/varnishd/http2/cache_http2_panic.c
@@ -79,7 +79,7 @@ h2_sess_panic(struct vsb *vsb, const struct sess *sp)
 	VSB_printf(vsb, "refcnt = %d, bogosity = %d, error = %s\n",
 	    h2->refcnt, h2->bogosity, h2_panic_error(h2->error));
 	VSB_printf(vsb,
-	    "open_streams = %u, highest_stream = %u,"
+	    "open_streams = %d, highest_stream = %u,"
 	    " goaway_last_stream = %u,\n",
 	    h2->open_streams, h2->highest_stream, h2->goaway_last_stream);
 	VSB_cat(vsb, "local_settings = {");
diff --git a/bin/varnishd/http2/cache_http2_proto.c b/bin/varnishd/http2/cache_http2_proto.c
index d9210ff3c50..5d03211601e 100644
--- a/bin/varnishd/http2/cache_http2_proto.c
+++ b/bin/varnishd/http2/cache_http2_proto.c
@@ -732,7 +732,7 @@ h2_rx_headers(struct worker *wrk, struct h2_sess *h2, struct h2_req *r2)
 		 * increase under our feet.
 		 */
 		if (h2->open_streams >=
-		    h2->local_settings.max_concurrent_streams) {
+		    (int)h2->local_settings.max_concurrent_streams) {
 			VSLb(h2->vsl, SLT_Debug,
 			     "H2: stream %u: Hit maximum number of "
 			     "concurrent streams", h2->rxf_stream);
diff --git a/include/vdef.h b/include/vdef.h
index a321407d756..b287e595f25 100644
--- a/include/vdef.h
+++ b/include/vdef.h
@@ -263,7 +263,7 @@ typedef struct {
 
 #define Tcheck(t)	do { (void)pdiff((t).b, (t).e); } while (0)
 #define Tlen(t)		(pdiff((t).b, (t).e))
-#define Tstr(s)		((txt){(s), (s) + strlen(s)})
+#define Tstr(s)		(/*lint -e(446)*/ (txt){(s), (s) + strlen(s)})
 #define Tstrcmp(t, s)	(strncmp((t).b, (s), Tlen(t)))
 
 /* #3020 dummy definitions until PR is merged*/