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-rw-r--r--block/vdi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/vdi.c b/block/vdi.c
index c647d72895..7cfd12b50d 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -239,7 +239,7 @@ static void vdi_header_to_le(VdiHeader *header)
 
 static void vdi_header_print(VdiHeader *header)
 {
-    char uuidstr[37];
+    char uuidstr[UUID_STR_LEN];
     QemuUUID uuid;
     logout("text        %s", header->text);
     logout("signature   0x%08x\n", header->signature);