1 files changed, 3 insertions, 0 deletions

diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index 60682231a..0917b4175 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -15,6 +15,9 @@
 /* must be _after_ libbb.h: */
 #include <linux/hdreg.h>
 #include <sys/mount.h>
+#if !defined(BLKGETSIZE64)
+# define BLKGETSIZE64 _IOR(0x12,114,size_t)
+#endif
 
 /* device types */
 /* ------------ */