diff --git a/src/lib/lwan-mod-fastcgi.c b/src/lib/lwan-mod-fastcgi.c
index 79ca6736d..f409cc291 100644
--- a/src/lib/lwan-mod-fastcgi.c
+++ b/src/lib/lwan-mod-fastcgi.c
@@ -475,10 +475,7 @@ try_initiating_chunked_response(struct lwan_request *request)
     char *header_start[N_HEADER_START];
     char *next_request;
     enum lwan_http_status status_code = HTTP_OK;
-    struct lwan_value buffer = {
-        .value = lwan_strbuf_get_buffer(response->buffer),
-        .len = lwan_strbuf_get_length(response->buffer),
-    };
+    struct lwan_value buffer = lwan_strbuf_to_value(response->buffer);
 
     assert(!(request->flags &
              (RESPONSE_CHUNKED_ENCODING | RESPONSE_SENT_HEADERS)));
diff --git a/src/lib/lwan-mod-serve-files.c b/src/lib/lwan-mod-serve-files.c
index 8baafcb37..2e88829d5 100644
--- a/src/lib/lwan-mod-serve-files.c
+++ b/src/lib/lwan-mod-serve-files.c
@@ -663,10 +663,7 @@ static bool dirlist_init(struct file_cache_entry *ce,
 
     ce->mime_type = "text/html";
 
-    struct lwan_value rendered = {
-        .value = lwan_strbuf_get_buffer(&dd->rendered),
-        .len = lwan_strbuf_get_length(&dd->rendered),
-    };
+    struct lwan_value rendered = lwan_strbuf_to_value(&dd->rendered);
     deflate_value(&rendered, &dd->deflated);
 #if defined(LWAN_HAVE_BROTLI)
     brotli_value(&rendered, &dd->brotli, &dd->deflated);
diff --git a/src/lib/lwan-strbuf.c b/src/lib/lwan-strbuf.c
index 5d4f8a111..43d726a96 100644
--- a/src/lib/lwan-strbuf.c
+++ b/src/lib/lwan-strbuf.c
@@ -27,6 +27,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <sys/uio.h>
 #include <unistd.h>
 
 #include "lwan-private.h"
@@ -438,3 +439,15 @@ struct lwan_strbuf *lwan_strbuf_new_from_file(const char *path)
     free(strbuf);
     return NULL;
 }
+
+struct lwan_value lwan_strbuf_to_value(const struct lwan_strbuf *s)
+{
+    return (struct lwan_value){.value = lwan_strbuf_get_buffer(s),
+                               .len = lwan_strbuf_get_length(s)};
+}
+
+struct iovec lwan_strbuf_to_iovec(const struct lwan_strbuf *s)
+{
+    return (struct iovec){.iov_base = lwan_strbuf_get_buffer(s),
+                          .iov_len = lwan_strbuf_get_length(s)};
+}
diff --git a/src/lib/lwan-strbuf.h b/src/lib/lwan-strbuf.h
index 7e691d138..991c32d05 100644
--- a/src/lib/lwan-strbuf.h
+++ b/src/lib/lwan-strbuf.h
@@ -104,9 +104,5 @@ static inline char *lwan_strbuf_get_buffer(const struct lwan_strbuf *s)
 bool lwan_strbuf_init_from_file(struct lwan_strbuf *s, const char *path);
 struct lwan_strbuf *lwan_strbuf_new_from_file(const char *path);
 
-static inline struct iovec
-lwan_strbuf_to_iovec(const struct lwan_strbuf *s)
-{
-    return (struct iovec){.iov_base = lwan_strbuf_get_buffer(s),
-                          .iov_len = lwan_strbuf_get_length(s)};
-}
+struct iovec lwan_strbuf_to_iovec(const struct lwan_strbuf *s);
+struct lwan_value lwan_strbuf_to_value(const struct lwan_strbuf *s);
diff --git a/src/lib/lwan.c b/src/lib/lwan.c
index c63bac5a4..2cba18e44 100644
--- a/src/lib/lwan.c
+++ b/src/lib/lwan.c
@@ -192,8 +192,7 @@ static void build_response_headers(struct lwan *l,
 
     lwan_strbuf_append_strz(&strbuf, "\r\n\r\n");
 
-    l->headers = (struct lwan_value){.value = lwan_strbuf_get_buffer(&strbuf),
-                                     .len = lwan_strbuf_get_length(&strbuf)};
+    l->headers = lwan_strbuf_to_value(&strbuf);
 }
 
 static void parse_global_headers(struct config *c,