1 files changed, 2 insertions, 0 deletions
diff --git a/block.c b/block.c
index 67c5028dd8..2ba76b2c36 100644
--- a/block.c
+++ b/block.c
@@ -433,9 +433,11 @@ static int bdrv_format_is_whitelisted(const char *format_name, bool read_only)
 {
     static const char *whitelist_rw[] = {
         CONFIG_BDRV_RW_WHITELIST
+        NULL
     };
     static const char *whitelist_ro[] = {
         CONFIG_BDRV_RO_WHITELIST
+        NULL
     };
     const char **p;