diff --git a/fuzzing/fuzz_uri_parse.c b/fuzzing/fuzz_uri_parse.c
index 5c2934f1a..e4687091b 100644
--- a/fuzzing/fuzz_uri_parse.c
+++ b/fuzzing/fuzz_uri_parse.c
@@ -3,14 +3,18 @@
 int
 LLVMFuzzerTestOneInput (const unsigned char *data, size_t size)
 {
+  unsigned char *nul_terminated_data = NULL;
   GUri *uri = NULL;
   gchar *uri_string = NULL;
   const GUriFlags flags = G_URI_FLAGS_NONE;
 
   fuzz_set_logging_func ();
 
-  /* ignore @size */
+  /* ignore @size (g_uri_parse() doesn’t support it); ensure @data is nul-terminated */
+  nul_terminated_data = (unsigned char *) g_strndup ((const gchar *) data, size);
   uri = g_uri_parse ((const gchar *) data, flags, NULL);
+  g_free (nul_terminated_data);
+
   if (uri == NULL)
     return 0;
 
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 5bba9aba0..bb9d8e370 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -196,6 +196,7 @@ glib/gshell.c
 glib/gspawn.c
 glib/gspawn-win32.c
 glib/gstrfuncs.c
+glib/guri.c
 glib/gutf8.c
 glib/gutils.c
 glib/guuid.c