1 files changed, 1 insertions, 0 deletions
diff --git a/mkfs.c b/mkfs.c
index 8e011a7..17040b7 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -94,6 +94,7 @@ main(int argc, char *argv[])
   nmeta = 2 + nlog + ninodeblocks + nbitmap;
   nblocks = FSSIZE - nmeta;
 
+  sb.magic = FSMAGIC;
   sb.size = xint(FSSIZE);
   sb.nblocks = xint(nblocks);
   sb.ninodes = xint(NINODES);