diff --git a/test/modules/keystore/test.c b/test/modules/keystore/test.c
index ad8105dcf7..d7ce428ee9 100644
--- a/test/modules/keystore/test.c
+++ b/test/modules/keystore/test.c
@@ -319,7 +319,7 @@ main(int i_argc, char *ppsz_argv[])
 
             if (strcmp(psz_module, "file") == 0)
             {
-                assert((i_tmp_fd = mkstemp(psz_tmp_path)) != -1);
+                assert((i_tmp_fd = vlc_mkstemp(psz_tmp_path)) != -1);
                 printf("plaintext tmp file: '%s'\n", psz_tmp_path);
                 assert(asprintf(&ppsz_vlc_argv[1],
                        "--keystore-file=%s", psz_tmp_path) != -1);
diff --git a/test/src/misc/keystore.c b/test/src/misc/keystore.c
index 313adfd88c..a59f6f4651 100644
--- a/test/src/misc/keystore.c
+++ b/test/src/misc/keystore.c
@@ -306,7 +306,7 @@ main(void)
     printf("creating tmp plaintext keystore file\n");
     char psz_tmp_path[] = "/tmp/libvlc_XXXXXX";
     int i_tmp_fd = -1;
-    i_tmp_fd = mkstemp(psz_tmp_path);
+    i_tmp_fd = vlc_mkstemp(psz_tmp_path);
     assert(i_tmp_fd != -1);
 
     int i_vlc_argc = 4;