diff --git a/epan/nghttp2/nghttp2_hd.c b/epan/nghttp2/nghttp2_hd.c
index b924d05a00..2f0c00228a 100644
--- a/epan/nghttp2/nghttp2_hd.c
+++ b/epan/nghttp2/nghttp2_hd.c
@@ -1733,6 +1733,7 @@ static int hd_inflate_remove_bufs(nghttp2_hd_inflater *inflater, nghttp2_nv *nv,
 static int hd_inflate_remove_bufs_with_name(nghttp2_hd_inflater *inflater,
                                             nghttp2_nv *nv,
                                             nghttp2_hd_entry *ent_name) {
+  size_t rv;
   size_t buflen;
   uint8_t *buf;
   nghttp2_mem *mem;
@@ -1750,7 +1751,7 @@ static int hd_inflate_remove_bufs_with_name(nghttp2_hd_inflater *inflater,
 
   /* Copy including terminal NULL */
   memcpy(buf, ent_name->nv.name, ent_name->nv.namelen + 1);
-  nghttp2_bufs_remove_copy(&inflater->nvbufs,
+  rv = nghttp2_bufs_remove_copy(&inflater->nvbufs,
                                 buf + ent_name->nv.namelen + 1);
   assert(ent_name->nv.namelen + 1 + rv == buflen);