1 files changed, 2 insertions, 2 deletions

diff --git a/util-linux/losetup.c b/util-linux/losetup.c
index 6b9a810f2..54a160119 100644
--- a/util-linux/losetup.c
+++ b/util-linux/losetup.c
@@ -48,11 +48,11 @@ int losetup_main(int argc, char **argv)
                 printf("%s: %s\n", argv[0], s);
                 if (ENABLE_FEATURE_CLEAN_UP) free(s);
         } else {
-                char dev[11] = "/dev/loop0";
+                char dev[sizeof(LOOP_NAME"0")] = LOOP_NAME"0";
                 char c;
                 for (c = '0'; c <= '9'; ++c) {
                         char *s;
-                        dev[9] = c;
+                        dev[sizeof(LOOP_NAME"0")-2] = c;
                         s = query_loop(dev);
                         if (s) {
                                 printf("%s: %s\n", dev, s);