diff --git a/fs/partitions/ultrix.c b/fs/partitions/ultrix.c
index 8a8d4d9db314f9c9d0005a8125c2fc683ba925ff..ec852c11dce48fd1e564e0e9085ca8c0ad04bb02 100644
--- a/fs/partitions/ultrix.c
+++ b/fs/partitions/ultrix.c
@@ -7,6 +7,7 @@
  */
 
 #include "check.h"
+#include "ultrix.h"
 
 int ultrix_partition(struct parsed_partitions *state, struct block_device *bdev)
 {